en

From Old Norse einn, from Proto-Germanic *ainaz (“one, some”), from Proto-Indo-European *h₁óynos (“one”).


hundred

→ Greenlandic: hundredi

From Old Norse hundrað (“hundred”), from Proto-Germanic *hundaradą, from *hundą (< Proto-Indo-European *ḱm̥tóm) + *radą (“count”).


to

From Old Norse tveir, from Proto-Germanic *twai, from Proto-Indo-European *dwóh₁ (“two”).
The modern Danish form is a merger of the original East Old Norse accusative masculine twā and the nominative/accusative feminine twāʀ (West tvær). The neuter tū (West tvau) is preserved in the adverb itu.


fire

From Old Norse fjórir, from Proto-Germanic *fedwōr, from Proto-Indo-European *kʷetwóres (“four”).


tre

From Old Norse þrír, from Proto-Norse ᚦᚱᛁᛃᛟᛉ f pl (þrijoʀ), from Proto-Germanic *þrīz, from Proto-Indo-European *tréyes (“three”).
The modern Danish form is a merger of the original East Old Norse accusative masculine þrēa (West þrjá) and the nominative/accusative feminine þrēaʀ (West þrjár).


ni

From Old Norse níu, from Proto-Germanic *newun, from Proto-Indo-European *h₁néwn̥ (“nine”).


ti

From Old Norse tíu, from Proto-Germanic *tehun, cognate with Norwegian ti, Swedish tio, English ten, German zehn. The word goes back to Proto-Indo-European *déḱm̥ (“ten”), which is also the source of Latin decem, Ancient Greek δέκα (déka).


tolv

From Old Norse tolf, from Proto-Germanic *twalif. Compare Norwegian and Swedish tolv, Faroese tólv, Icelandic tólf.


fem

From Old Norse fimm, from Proto-Germanic *fimf, from Proto-Indo-European *pénkʷe (“five”).


seks

From Old Norse sex, from Proto-Germanic *sehs, from Proto-Indo-European *swéḱs (“six”).


femte

From Old Norse fimti, from Proto-Germanic *fimftô (“fifth”).


tredje

From Old Norse þriði, from Proto-Germanic *þridjô (“third”).


nul

From Italian nullo (“no, not any; null”) or French nul (“no, no one”), from Middle French nul (“nobody; no one”), from Old French nul (“nobody; no one”), both from Latin nūllus (“no one, none, not any”), from Proto-Italic *ne oinolos, from Proto-Italic *oinos (“one”), from Proto-Indo-European *óynos, perhaps from *éy (“he, she, it”) + *-nós (creates verbal adjectives).
The interjection, noun and pronoun are all derived from the numeral itself.

nul huller og nul grader

nul komma fem

patient nul

Jeg knoklede og knoklede for at sælge biler. Men når året så var omme, kunne jeg kun præstere en fortjeneste på nul kroner

I worked and worked hard to sell cars. But when the year was over, I could only make a profit of zero kroner

Ryglænet skubbes fremad, fjedermekanismen udløses, og i løbet af nul komma fem er sofaen forvandlet til seng

The backrest is pushed forward, the spring mechanism is released, and during a short moment the sofa is turned into a bed

Jhvad ved vi om selve virussens 'fødsel'? Og hvem er den såkaldte patient nul, der bar smitten som den første?

what do we know about the 'birth' of the virus itself? And who is the so-called patient zero who carried the infection as the first?

En fransk analyse af virussens DNA har via elegante teknikker fundet frem til udbruddets begyndelse, til patient nul

A French analysis of the virus' DNA has, via elegant techniques, found the beginning of the outbreak, to patient zero

zero (the cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0)


anden

From Old Norse annarr, from Proto-Germanic *anþeraz (“second, other”).


fjorten

From Old Norse fjórtán, from Proto-Germanic *fedurtehun.


syv

From Old Norse sjau, from Proto-Germanic *sebun, from Proto-Indo-European *septḿ̥ (“seven”).


femten

From Old Norse fimmtán, from Proto-Germanic *fimftehun.


femti

Borrowed from Norwegian femti and Swedish femtio, from Old Norse fimtigi.


tretten

[ˈtˢʁ̥ad̥n̩]

[ˈtˢʁ̥ɑd̥n̩]

From Old Norse þrettán, from Proto-Germanic *þritehun.


elleve

From Old Norse ellifu, from Proto-Germanic *ainalif, a compound of *ainaz and *-lif. Compare Norwegian Bokmål elleve, Swedish elva, Icelandic ellefu, Faroese ellivu.


atten

Norwegian Bokmål: atto-

From Old Norse áttján, from Proto-Germanic *ahtōutehun.


seksten

From Old Norse sextán, from Proto-Germanic *sehstehun.


seksti

[ˈsɛɡ̊sˌtˢi]

Borrowed from Norwegian seksti and Swedish sextio, from Old Norse sex tigir, sextigi.


nitten

From Old Norse nítján, from Proto-Germanic *newuntehun.


sytten

From Old Norse sjaután, from Proto-Germanic *sebuntehun.


otte

From Old Norse átta, from Proto-Germanic *ahtōu, cognate with Swedish åtta, Norwegian Bokmål åtte, English eight, German acht. The Germanic numeral goes back to from Proto-Indo-European *oḱtṓw, which is also the source of Latin octo, Ancient Greek ὀκτὠ (oktō).


tiende

From Old Norse tíundi (“tenth”), from Proto-Germanic *tehundô (“tenth”).


syvende

→ Norwegian Bokmål: syvende

From Old Norse sjaundi, from Proto-Germanic *sebundô. Derived from the cardinal number syv.


fjerde

From Old Danish fiarthæ, Old Norse fjórði, Proto-Germanic *fedurþô. Compare Swedish fjärde, English fourth, and German vierte.


sjette

sjette (positive)
sjette (plural positive)

From Old Norse sétti, from Proto-Germanic *sehtô (“sixth”).


snes

head

snes c (singular definite snesen, plural indefinite snese)

snesen (definite singular)
snese (indefinite plural)
snes (indefinite nominative singular)
snesen (definite nominative singular)
snese (indefinite nominative plural)
snesene (definite nominative plural)
snes' (genitive indefinite singular)
snesens (definite genitive singular)
sneses (genitive indefinite plural)
snesenes (definite genitive plural)


otti

Equivalent to otte + ti. Calque of Norwegian åtti and Swedish åttio, from Old Norse áttatigir.


treti

Borrowed from Norwegian tretti and Swedish trettio, from Old Norse þrjátigi.


første

From Old Norse fyrstr, from Proto-Germanic *furistaz, cognate with Swedish först, English first, German Fürst (“prince”, noun). Doublet of fyrste.


tyve

→ Norwegian Bokmål: tyve

From Old Norse tuttugu, tjogu, from Proto-Germanic *twai tigiwiz.


tusind

From Old Norse þúsund, from Proto-Germanic *þūsundī.


treogtredive

treogtredive (canonical)
treogtredve (canonical)


otteogtredive

otteogtredive (canonical)
otteogtredve (canonical)


fireogtredive

fireogtredive (canonical)
fireogtredve (canonical)


femogtredive

femogtredive (canonical)
femogtredve (canonical)


seksogtredive

seksogtredive (canonical)
seksogtredve (canonical)


niogtredive

niogtredive (canonical)
niogtredve (canonical)


enogtredive

enogtredive (canonical)
enogtredve (canonical)


toogtredive

toogtredive (canonical)
toogtredve (canonical)


syvogtredive

syvogtredive (canonical)
syvogtredve (canonical)


tredive

From Old Danish thretiughæ, from Old Norse þrír tigir, from Proto-Germanic *þrīz tigiwiz (“thirty”, literally “three tens”).


tusinde

→ Greenlandic: tuusinti

→ Inuktun: tussinti

From Old Danish thusænd, from Old Norse þúsund.


syvogtredve

syvogtredve (canonical)
syvogtredive (canonical)


treogtredve

treogtredve (canonical)
treogtredive (canonical)


fireogtredve

fireogtredve (canonical)
fireogtredive (canonical)


toogtredve

toogtredve (canonical)
toogtredive (canonical)


seksogtredve

seksogtredve (canonical)
seksogtredive (canonical)


otteogtredve

otteogtredve (canonical)
otteogtredive (canonical)


enogtredve

enogtredve (canonical)
enogtredive (canonical)


femogtredve

femogtredve (canonical)
femogtredive (canonical)


niogtredve

niogtredve (canonical)
niogtredive (canonical)


niti

Borrowed from Norwegian nitti and Swedish nittio, from Old Norse níutigi.


dusin

head

dusin n (singular definite dusinet, plural indefinite dusin)

dusinet (definite singular)
dusin (indefinite plural)
dusin (indefinite nominative singular)
dusinet (definite nominative singular)
dusin (indefinite nominative plural)
dusinene (definite nominative plural)
dusins (genitive indefinite singular)
dusinets (definite genitive singular)
dusins (genitive indefinite plural)
dusinenes (definite genitive plural)


tresindstyvende

[ˈtˢʁ̥ɛsənsˈtˢyːʋənə]

[ˈtˢʁ̥ɛsn̩sˌtˢyːʊnə]


tressende

[ˈtˢʁ̥ɛsənə]


syvoghalvfems

syv (“seven”) + og (“and”) + halvfems (“ninety”) where halvfems is a clipping of halvfemsindstyve, which is from halvfemte (“four and a half”) + sinde (“times”) + tyve (“twenty”).


sekstende

[ˈsɑɪ̯sd̥ənə]


fjerdedel

head

fjerdedel c (singular definite fjerdedelen, plural indefinite fjerdedele)

fjerdedelen (definite singular)
fjerdedele (indefinite plural)
fjerdedel (indefinite nominative singular)
fjerdedelen (definite nominative singular)
fjerdedele (indefinite nominative plural)
fjerdedelene (definite nominative plural)
fjerdedels (genitive indefinite singular)
fjerdedelens (definite genitive singular)
fjerdedeles (genitive indefinite plural)
fjerdedelenes (definite genitive plural)

[ˈfjɛːɐˌd̥eˀl]

(fractional number) a quarter or fourth (¹⁄₄)


årtusind

årtusind n (singular definite årtusindet, plural indefinite årtusinder)

årtusindet (definite singular)
årtusinder (indefinite plural)
årtusind (indefinite nominative singular)
årtusindet (definite nominative singular)
årtusinder (indefinite nominative plural)
årtusinderne (definite nominative plural)
årtusinds (genitive indefinite singular)
årtusindets (definite genitive singular)
årtusinders (genitive indefinite plural)
årtusindernes (definite genitive plural)


årtusinde

årtusinde n (singular definite årtusindet, plural indefinite årtusinder)

årtusindet (definite singular)
årtusinder (indefinite plural)
årtusinde (indefinite nominative singular)
årtusindet (definite nominative singular)
årtusinder (indefinite nominative plural)
årtusinderne (definite nominative plural)
årtusindes (genitive indefinite singular)
årtusindets (definite genitive singular)
årtusinders (genitive indefinite plural)
årtusindernes (definite genitive plural)


halvtredsindstyvende

[halˈtˢʁ̥æsn̩sˈtˢyːʋənə]


fyrretyve

[ˈfɶɐ̯ɐˌtˢyːʋə]

Older form of fyrre. From Old Danish fyritiughu, from Old Norse fjórir tigir, from Proto-Germanic *fedwōr tigiwiz (“forty”, literally “four tens”), cognate with Norwegian førti, Swedish fyrtio, English forty, German vierzig, among others.
Note that the suffix -tyve in fyrretyve means “ten”, unlike the word tyve (of different origin: from Old Danish tiughu, from Old Norse tuttugu, from Proto-Germanic *twai tigiwiz (“twenty”, literally “two tens”)), which means “twenty” and which also forms part of the dated forms of the higher tens: halvtredsindstyve (“fifty”, literally “two and a half times twenty”), tresindstyve (“sixty”, literally “three times twenty”) etc.


tredivte

[ˈtˢʁ̥aðfd̥ə]

[ˈtˢʁ̥ɑðfd̥ə]


tresindstyve

[ˈtˢʁ̥ɛsn̩sˈtˢyːʋə]

Older form of tres. From tre (“three”) + sinde (“times”) + tyve (“twenty”).


syvti

Borrowed from Norwegian sytti and Swedish sjuttio, from Old Norse sjautigi.


firti

Borrowed from Norwegian førti and Swedish fyrtio, from Old Norse fjórutigi.


halvfjerde

Equivalent to halv (“half”) + fjerde (“fourth”), from Old Norse halfr fjórði, compare Old English feorþe healf, German vierthalb (archaic).

en Beleyring, som varede halffierde Aar.

1711, Ludvig Holberg, Introduction til de fornemste Europæiske Rigers Historier, page 490:

An occupation that lasted for three and a half years.

Fra Australien kender man et Eksemplar paa omtrent halvfjerde Meters Længde.

1917, Danmarks Fauna, volume 20, page 5:

From Australia, a specimen is known that measures around three and a half meters.


halvtredje

[halˈtˢʁ̥ɛðjə]

Equivalent to halv (“half”) + tredje (“third”), from Old Norse halfr þriði, compare Old English þridde healf, German dritthalb (archaic).

De halvtredie Mark Sølv, han saa gavmild eftergav mig, skulde jeg vel have Ondt ved at skaffe.

1826, B.S. Ingemann, Waldemar Seier. En Historisk Roman, volume 1, pages 50–51:

It will be hard for me to find the two and a half mark silver that he foregave me so generously.


halvtredsindstyve

[halˈtˢʁ̥æsn̩sˈtˢyːʋə]

Older form of halvtreds. From halvtredje (“two and a half”, literally “(one) half (to) third”) + sinde (“times”) + tyve (“twenty”).


halvfemsindstyve

Older form of halvfems. From halvfemte (“four and a half”, literally “(one) half (to) fifth”) + sinde (“times”) + tyve (“twenty”).


firsindstyve

[ˈfiɐ̯ˀsn̩sˈtˢyːʋə]

Older form of firs. From fire (“four”) + sinde (“times”) + tyve (“twenty”).


halvfjerdsindstyve

Older form of halvfjerds. Equivalent to halvfjerde (“three and a half”, literally “(one) half (to) fourth”) + sinde (“times”) + tyve (“twenty”), from Old Danish halffierdesinde tiuge.


halvfemte

Equivalent to halv (“half”) + femte (“fifth”), from Old Norse halfr fimmti, compare Old English fīfte healf, German fünfthalb (archaic).

Ingen kan forestille sig, hvilket forfærdeligt Brag disse 1800 Slag i Minutet, der bleve ført med en saadan Kraft, gav i et Kammer med Klippevægge, kun fire Alen høit og halvfemte Alen bredt

1871, L. Zinck, editor, Fra alle lande: Et Maanedsskrift for nyere Reisebeskrivelser, page 511:

Nobody can imagine the terrible crash of these 1,800 beats a minute made with such a strength in a rock-wall chamber, only four cubits high and four and half cubits wide.