zero

Borrowed from English zero, French zéro, Italian zero, Spanish cero.


toro

Borrowed from English torus, French tore, German Torus, Italian toro, Russian торус (torus), ultimately from Latin torus.


per

Borrowed from Esperanto per, English per, French par, Italian per, Spanish por, ultimately from Latin per, from Proto-Indo-European *per.

Quar per kin esas duadek.

Un per un esas un.


punto

From English point, French point, German Punkt, Italian punto, Russian пункт (punkt), Spanish punto, all ultimately from Latin punctum.

(geometry, astronomy, typography, grammar, music, games) point; dot; position; period; small hole (as made by a needle or awl)

puntizar

to dot, prick, mark (something) with a point; to punctuate


ek

Borrowed from Ancient Greek ἐκ (ek). Also seen as a borrowing from Latin ex, with the x changed to just k so not to interfere with ex-, which shares the same origin.

Nonadek ek cent.

En ca armeo, 5 ek 100 esas ocidita, 10 ek 100 vundita.

In this army, five out of (every) 100 were killed, and ten per cent were wounded.

(mathematics) (indication fractional parts) out of


arko

Borrowed from Esperanto arko, English arc, French arc, German Arkus, Italian arco, Russian а́рка (árka), Spanish arco.

(geometry, architecture, electrics) arch, arc


lineo

Borrowed from English line, French ligne, German Linie, Italian linea, Russian ли́ния (línija), Spanish línea. Compare Esperanto linio.

(genealogy, geometry, military, printing, telegraphy, writing, etc.) line


centimetro

Borrowed from English centimetre, French centimètre, German Zentimeter, Italian centimetro, Spanish centímetro.


stadio

Borrowed from English stadium, French stade, German Stadion, Italian stadio, Russian стадио́н (stadión), Spanish estadio, all ultimately from Latin stadium, from the Ancient Greek στάδιον (stádion).


kruco

From Esperanto kruco, English cross, French croix, German Kreuz, Spanish cruz, Portuguese cruz, Italian croce, from Latin crux.

(geometry) cross, any cross-shaped object


permutar

io-head

permutar (present permutas, past permutis, future permutos, conditional permutus, imperative permutez)

permutas (present)
permutis (past)
permutos (future)
permutus (conditional)
permutez (imperative)
permutar (infinitive present)
permutir (infinitive past)
permutor (future infinitive)
permutas (present)
permutis (past)
permutos (future)
permutus (conditional present)
permutez (imperative present)
permutanta (active adjective participle present)
permutinta (active adjective participle past)
permutonta (active adjective future participle)
permutante (active adverbial participle present)
permutinte (active adverbial participle past)
permutonte (active adverbial future participle)
permutanto (active noun-from-verb participle present singular)
permutinto (active noun-from-verb participle past singular)
permutonto (active future noun-from-verb participle singular)
permutanti (active noun-from-verb participle plural present)
permutinti (active noun-from-verb participle past plural)
permutonti (active future noun-from-verb participle plural)
permutata (adjectival participle passive present)
permutita (adjectival participle passive past)
permutota (adjectival future participle passive)
permutate (adverbial participle passive present)
permutite (adverbial participle passive past)
permutote (adverbial future participle passive)
permutato (noun-from-verb participle passive present singular)
permutito (noun-from-verb participle passive past singular)
permutoto (future noun-from-verb participle passive singular)
permutati (noun-from-verb participle passive plural present)
permutiti (noun-from-verb participle passive past plural)
permutoti (future noun-from-verb participle passive plural)

Borrowed from English permute, French permuter, German permutieren, Italian permutare, Spanish permutar.


figuro

From Esperanto figuro, from English figure, French figure, German Figur, Italian figura, Russian фигура (figura), Spanish figura, all ultimately from Latin figūra.


funciono

Borrowed from English function, French fonction, German Funktion, Italian funzione, Russian фу́нкция (fúnkcija), Spanish función.

funcionar

to function: to function, act, to perform the duties, fill an office, to work properly

funcionerismo

officalism, administrative system, founded on the existence of a great number of functionaries


termino

Borrowed from Esperanto termino, English terminus, French terminus, German Terminus, Termin, Italian termine, Russian термин (termin), Spanish término, all ultimately from Latin terminus.


decimetro

Borrowed from English decimetre, French décimètre, German Dezimeter, Italian decimetro, Russian дециме́тр (decimétr), Spanish decímetro. By surface analysis, deci- + metro.


umbiliko

Borrowed from Esperanto umbiliko, English umbilicus, French ombilic, Italian ombelico, Spanish ombligo.

(anatomy, botany, geometry) navel, umbilicus


kilogramo

From kilo- + gramo, calqued from French kilogramme.


poligono

Borrowed from Esperanto poligono, English polygon, polygonum, French polygone, German Polygon, Italian poligono, Russian полиго́н (poligón), Spanish polígono..


milio

Borrowed from English mile, French mille, German Meile, Italian miglio, Spanish milla, Russian ми́ля (mílja), all ultimately from Latin mīlia, mīllia, plural of mīle, mīlle (“mile”). Then extra i was added so not to be confused with mil (“thousand”), which can be derived to milo, mila, etc.


kordo

Borrowed from Esperanto kordo, English chord, cord, French corde, German Kord, Kordel, Italian corda, Spanish cuerda.


procento

Borrowed from English percentage, French pourcentage, German Prozentsatz, Italian percentuale, Spanish porcentaje, Russian проце́нт (procént). (Compare Esperanto procento (“percent”)).

Lu prestis a me kinacent dollar-i ye la procento di kin po cent.

He/she lent me five hundred dollars at the percentage of five percent.


bico

Borrowed from English bit, French bit, German Bit, Italian bit, Russian бит (bit), Spanish bit.

(neologism, mathematics, computing) bit (binary digit)


equaciono

Borrowed from English equation, French équation, Italian equazione, Spanish ecuación. Compare Esperanto ekvacio.


algebro

Borrowed from Esperanto algebro, English algebra, French algèbre, German Algebra, Italian algebra, Russian а́лгебра (álgebra), Spanish álgebra.


edro

Borrowing from Ancient Greek ἕδρα (hédra). Ancient Greek borrowings in Ido follow the latest stage of the pronunciation, not the orthography. Thus resulting in a loss of the letter H.

(geometry) face, outer surface of, superfice

(geometry, mineralogy) outer configuration of a regularly crystalizing mineral, as a dodecahedron


dividar

head

dividar (present tense dividas, past tense dividis, future tense dividos, imperative dividez, conditional dividus)

dividas (present)
dividis (past)
tense dividos (future)
dividez (imperative)
dividus (conditional)
dividar (infinitive present)
dividir (infinitive past)
dividor (future infinitive)
dividas (present)
dividis (past)
dividos (future)
dividus (conditional present)
dividez (imperative present)
dividanta (active adjective participle present)
dividinta (active adjective participle past)
dividonta (active adjective future participle)
dividante (active adverbial participle present)
dividinte (active adverbial participle past)
dividonte (active adverbial future participle)
dividanto (active noun-from-verb participle present singular)
dividinto (active noun-from-verb participle past singular)
dividonto (active future noun-from-verb participle singular)
dividanti (active noun-from-verb participle plural present)
dividinti (active noun-from-verb participle past plural)
dividonti (active future noun-from-verb participle plural)
dividata (adjectival participle passive present)
dividita (adjectival participle passive past)
dividota (adjectival future participle passive)
dividate (adverbial participle passive present)
dividite (adverbial participle passive past)
dividote (adverbial future participle passive)
dividato (noun-from-verb participle passive present singular)
dividito (noun-from-verb participle passive past singular)
dividoto (future noun-from-verb participle passive singular)
dividati (noun-from-verb participle passive plural present)
dividiti (noun-from-verb participle passive past plural)
dividoti (future noun-from-verb participle passive plural)

Borrowed from Esperanto dividi, Latin dīvidō, English divide, French diviser, German dividieren, Italian dividere, Spanish dividir.

io-bor

(transitive, mathematics, etc.) to divide


latero

Borrowed from English lateral, French latéral, Italian laterale and Spanish lateral, all ultimately from Latin lātus.

ca latero di la domo

Triangulo havas tri lateri.


prismato

Borrowed from English prismatic, French prismatique, German prismatisch, Italian prismatico, Russian призматический (prizmatičeskij), Spanish prismático.

bor

призматический

io-bor

призматический


fraciono

Borrowed from English fraction, French fraction, German Fraktion, Italian frazione, Spanish fracción.


bito

Borrowed from Esperanto bito, English bit, French bit, German Bit, Italian bit, Russian бит (bit), Spanish bit.

(neologism, mathematics, computing, rare) bit (binary digit)


karakteristiko

(mathematics) characteristic (part of logarithm)


axo

Borrowed from Esperanto akso, English axis, axle, French axe, German Achse, Italian asse, Russian ось (osʹ), Spanish eje, most from Latin axis.


brancho

From Esperanto branĉo, English branch, French branche.


eceso

From Esperanto eksceso, from German Exzess.

ecesar

to exceed; to be excessive, go to excess

(mathematics) difference by which one number exceeds another


kontar

head

kontar (present tense kontas, past tense kontis, future tense kontos, imperative kontez, conditional kontus)

kontas (present)
kontis (past)
tense kontos (future)
kontez (imperative)
kontus (conditional)
kontar (infinitive present)
kontir (infinitive past)
kontor (future infinitive)
kontas (present)
kontis (past)
kontos (future)
kontus (conditional present)
kontez (imperative present)
kontanta (active adjective participle present)
kontinta (active adjective participle past)
kontonta (active adjective future participle)
kontante (active adverbial participle present)
kontinte (active adverbial participle past)
kontonte (active adverbial future participle)
kontanto (active noun-from-verb participle present singular)
kontinto (active noun-from-verb participle past singular)
kontonto (active future noun-from-verb participle singular)
kontanti (active noun-from-verb participle plural present)
kontinti (active noun-from-verb participle past plural)
kontonti (active future noun-from-verb participle plural)
kontata (adjectival participle passive present)
kontita (adjectival participle passive past)
kontota (adjectival future participle passive)
kontate (adverbial participle passive present)
kontite (adverbial participle passive past)
kontote (adverbial future participle passive)
kontato (noun-from-verb participle passive present singular)
kontito (noun-from-verb participle passive past singular)
kontoto (future noun-from-verb participle passive singular)
kontati (noun-from-verb participle passive plural present)
kontiti (noun-from-verb participle passive past plural)
kontoti (future noun-from-verb participle passive plural)

Borrowed from English count, French compter, German Konto, Italian contare and Spanish contar, all ultimately from Latin computāre.

(transitive, mathematics) to count, reckon, add up, tally


bicoko

From bico (“bit”) + ok (“eight”) + -o (noun).

(neologism, mathematics, computing) octet, byte (of eight bits)


obtuza

Borrowed from English obtuse, French obtus, Italian ottuso, Spanish obtuso, from Latin obtūsus, past participle of obtundere.


axiomo

Borrowed from English axiom, French axiome, German Axiom, Italian assioma, Russian аксио́ма (aksióma), Spanish axioma.


flecho

Borrowed from French flèche, Italian freccia, Spanish flecha.


sekar

io-head

sekar (present sekas, past sekis, future sekos, conditional sekus, imperative sekez)

sekas (present)
sekis (past)
sekos (future)
sekus (conditional)
sekez (imperative)

Borrowed from English intersect, French disséquer, German Sekante, Italian dissecare, Russian косе́канс (kosékans), Spanish intersecar.

io-bor

(transitive, geometry) to divide into sections


operacar

head

operacar (present tense operacas, past tense operacis, future tense operacos, imperative operacez, conditional operacus)

operacas (present)
operacis (past)
tense operacos (future)
operacez (imperative)
operacus (conditional)
operacar (infinitive present)
operacir (infinitive past)
operacor (future infinitive)
operacas (present)
operacis (past)
operacos (future)
operacus (conditional present)
operacez (imperative present)
operacanta (active adjective participle present)
operacinta (active adjective participle past)
operaconta (active adjective future participle)
operacante (active adverbial participle present)
operacinte (active adverbial participle past)
operaconte (active adverbial future participle)
operacanto (active noun-from-verb participle present singular)
operacinto (active noun-from-verb participle past singular)
operaconto (active future noun-from-verb participle singular)
operacanti (active noun-from-verb participle plural present)
operacinti (active noun-from-verb participle past plural)
operaconti (active future noun-from-verb participle plural)
operacata (adjectival participle passive present)
operacita (adjectival participle passive past)
operacota (adjectival future participle passive)
operacate (adverbial participle passive present)
operacite (adverbial participle passive past)
operacote (adverbial future participle passive)
operacato (noun-from-verb participle passive present singular)
operacito (noun-from-verb participle passive past singular)
operacoto (future noun-from-verb participle passive singular)
operacati (noun-from-verb participle passive plural present)
operaciti (noun-from-verb participle passive past plural)
operacoti (future noun-from-verb participle passive plural)

Borrowing from English operation, French opération, German Operation, Italian operazione, Russian опера́ция (operácija) and Spanish operación.

(transitive, surgery, military, mathematics, finance) to operate (upon)


operaco

(surgery, military, mathematics, finance) operation


sinso

Borrowed from English sense, French sens, German Sinn, Italian senso. Decision no. 4, Progreso IV by the technical subcommittee.

progreso

(mathematics) sense: one of two opposite directions


skalo

Borrowed from English scale, French échelle, German Skala, Italian scala, Russian шкала́ (škalá), Spanish escala.