march

meirch (plural)
caseg (feminine)
march
farch (soft)

From Middle Welsh march, from Proto-Brythonic *marx, from Proto-Celtic *markos.


coch

cy-adj

coch (feminine singular coch, plural cochion, equative coched, comparative cochach, superlative cochaf)

coch (feminine singular)
cochion (plural)
coched (equative)
cochach (comparative)
cochaf (superlative)
coch
goch (soft)
nghoch
choch

From Middle Welsh coch, from Proto-Brythonic *kox, borrowed from Latin coccum (“scarlet berry”), from Ancient Greek κόκκος (kókkos, “berry”). Cognate with Cornish kogh (“scarlet”).

1973, Robat Gruffudd, Englynion Coch [Dirty Poems]:


cyw

cywion (plural)
cyw
gyw (soft)
nghyw
chyw

From Proto-Celtic *kuwyos, from Proto-Indo-European *ḱuh₁-yó-s, derivative of the root *ḱewh₁- (“to swell, be strong”).

gwyn y gwêl y frân ei chyw

a parent does not see the faults of his or her own child


hwyad

From Middle Welsh hwyat, from Proto-Brythonic *(s)awyetos (compare Cornish hos, Breton houad), from Proto-Celtic *awis (compare dialectal Irish aoi (“swan”)), from Proto-Indo-European *h₂éwis (“bird”) (compare Latin avis).

duck (aquatic bird of the family Anatidae)


ceffyl

ceffylau (plural)
ceffyl
geffyl (soft)
ngheffyl
cheffyl

From Middle Welsh keffyl, from Proto-Brythonic *kėfɨl (compare Breton kefel), from Proto-Celtic *kapallos, *kaballos.


oen

From Proto-Brythonic *oɣn, from Proto-Celtic *ognos (compare Breton oan, Old Irish úan, from Proto-Indo-European *h₂egʷnós (“lamb”).


melyn

From Middle Welsh melyn, from Old Welsh melin, from Proto-Brythonic *melɨn (compare Cornish melyn, Breton melen), from a derivative of Proto-Celtic *meli (“honey”) (compare Welsh mêl). More at mêl.

A yellow object.
A yellow flower; marigold


tarw

teirw (plural)
tarw
darw (soft)
nharw
tharw

From Proto-Brythonic *tarw, from Proto-Celtic *tarwos, from Proto-Indo-European *táwros.


buwch

buchod (plural)
buwch
fuwch (soft)
muwch

From Middle Welsh buch, from Proto-Brythonic *bʉx, in turn modified from *bʉ (“cow”) under the influence of other animal names ending with *-x, such as *bux (“goat”), *hux (“pig”), *mox (“pigs”) (compare Breton buoc’h, Cornish bugh), from Proto-Celtic *bāus (“ox”) (compare Middle Welsh bu, Old Irish bó), ultimately from Proto-Indo-European *gʷṓws.


gwenyn

cy-noun

gwenyn f (collective, singulative gwenynen)

gwenynen (singulative)
gwenyn
wenyn (soft)
ngwenyn

From Proto-Celtic *wan-inyo- (compare Breton gwenan, Cornish gwenen), diminutive of *wano- (“tip, sting”) (modern gwân; see gwanu).


llo

lloi (plural)
lloeau (plural)
llo
lo (soft)

From misdivision (llo-eau) of plural lloeau, from Middle Welsh lloe, from Proto-Brythonic *llọɨɣ, from Proto-Celtic *lāɸigos (compare Cornish leugh, Breton leue, Old Irish lóeg), from Proto-Indo-European *leyg- (“to jump”) (compare English lark (“to frolic”), Lithuanian láigyti (“to run around wildly”)). Alternatively from Proto-Celtic *lāɸigos, from Proto-Indo-European *leh₂p- (“cattle”) (compare Albanian lopë).


ceiliog

cy-noun

ceiliog m (plural ceiliogod or ceiliogau)

ceiliogod (plural)
ceiliogau (plural)
ceiliog
geiliog (soft)
ngheiliog
cheiliog

From Middle Welsh keilyawc, from Proto-Brythonic *kėljọg, from Proto-Celtic *kalyākos, from Proto-Indo-European *kleh₁- (“call”).


dafad

defaid (plural)
dafad
ddafad (soft)
nafad

From Proto-Brythonic *daβ̃ad, from Proto-Celtic *dametos.


porchell

perchyll (plural)
porchell
borchell (soft)
mhorchell
phorchell

From Middle Welsh porchell, from Proto-Brythonic *porxell, borrowed from Late Latin porcellus, a diminutive of Latin porcus. Cognate with Cornish porghel, porhel, Breton porc'hell.


eboles

ebolesau (plural)
eboles
heboles (prothesis-h)

From ebol (“foal, colt”) + -es (“female”).


ebol

ebolion (plural)
ebol
hebol (prothesis-h)

PIE word
 *h₁éḱwos
From Middle Welsh ebawl, from Proto-Brythonic *ebọl, diminutive of *eb (“horse”).


anner

aneirod (plural)
aneiri (plural)
anner
hanner (prothesis-h)

From Middle Welsh anneir, from Proto-Brythonic *anner, from Proto-Celtic *anderā (“young woman”), of uncertain etymology. Compare Cornish annor, Breton annoar (“heifer”), and Old Irish ainder (“maiden”).


iâr

From Middle Welsh yar, from Old Welsh iar, from Proto-Celtic *yarā (compare Cornish and Breton yar (“hen”), Middle Irish eirín, Irish eireog (“chicken”)).


marchog

marchogion (plural)
marchog
farchog (soft)

From Middle Welsh marchawc, from Proto-Brythonic *marxọg, from Proto-Celtic *markākos. Equivalent to march + -og.


hwch

From Proto-Brythonic *hux, from Proto-Celtic *sukkos, from Proto-Indo-European *suH-.
Compare English sow, Sanskrit सूकर (sūkará), Breton hoc'h (“swine”). Doublet of swch “plowshare; snout”.


twrch

tyrchod (plural)
twrch
dwrch (soft)
nhwrch
thwrch

From Proto-Celtic *tworkos (compare Cornish torgh, Breton tourc’h, Irish torc, Scottish Gaelic torc), from Proto-Indo-European *twerḱ- (“to cut”) (compare Avestan 𐬚𐬡𐬆𐬭𐬆𐬯𐬀 (θβər^əsa, “piglet”), 𐬚𐬡𐬀𐬭𐬆𐬯 (θβar^əs, “to dig, whittle”), Ancient Greek σάρξ (sárx, “flesh”)).


baedd

baeddod (plural)
baedd
faedd (soft)
maedd

From Middle Welsh baed, from Proto-Brythonic *basio- ~ *baðio- (compare Cornish badh), from Proto-Indo-European *bʰoiHdʰ-so- (compare English boar, Lithuanian baĩsas (“terrible apparition”)), from *bʰoiHdʰ- (compare Latin foedus (“foul, filthy”)).


cacwn

cy-noun

cacwn f (collective, singulative cacynen)

cacynen (singulative)
cacwn
gacwn (soft)
nghacwn
chacwn

Possibly from cach (“excrement”) + cŵn (“dogs”). See cachgi bwm (“bumblebee”) for similar etymological elements.


mollt

From Proto-Celtic *moltos (compare Old Irish molt, Breton maout (“ram”), Cornish mols, Gaulish multo).


carfil

carfilod (plural)
carfil
garfil (soft)
ngharfil
charfil

Unknown, but the second element is probably English bill (“beak”).


gŵydd

gwyddau (plural)
gŵydd
ŵydd (soft)
ngŵydd

From Middle Welsh guit, from Proto-Celtic *gezdā; cognate with Breton gwaz, Cornish goth, Middle Irish géd (Irish gé).


gafr

From Middle Welsh gauar, from Proto-Brythonic *gaβr, from Proto-Celtic *gabros, from Proto-Indo-European *kápros.


cyfrwy

cyfrwyau (plural)
cyfrwy
gyfrwy (soft)
nghyfrwy
chyfrwy

From Middle Welsh kyfreieu (“leashes”), from Proto-Brythonic *kuβ̃ruɨɣ (compare Breton kevre (“link”), Cornish kevren (“bond, link”)), from Proto-Celtic *komrēgom (“bond, binding”), prefixed deverbative of *rigeti (“to bind”) (compare Old Irish con·rig), from Proto-Indo-European *Hreyǵ- (“stretch tight, bind”).


corlan

cy-noun

corlan f (plural corlannau or corlennydd)

corlannau (plural)
corlennydd (plural)
corlan
gorlan (soft)
nghorlan
chorlan

cordd (“tribe, clan”) + llan (“enclosure”).

com

fold, pen, enclosure in which animals are kept

(figurative, Christianity) congregation, flock


têl

telsen (singulative)
têl
dêl (soft)
nhêl
thêl

Peter Hayman
w:Peter Hayman (ornithologist)

Gwasg Carreg Gwalch
w:Gwasg Carreg Gwalch


twrci

twrcïod (plural)
twrcwn (plural)
twrci
dwrci (soft)
nhwrci
thwrci


corhwyad

corhwyaid (plural)
corhwyad
gorhwyad (soft)
nghorhwyad
chorhwyad


corhwyaid

cy-noun

corhwyaid f (collective, singulative corhwyaden)

corhwyaden (singulative)
corhwyaid
gorhwyaid (soft)
nghorhwyaid
chorhwyaid


cachgi bwm

cachgi bwm m (plural cachgwn bwm or cachgi bwms)

cachgwn bwm (plural)
cachgi bwms (plural)
cachgi bwm
gachgi bwm (soft)
nghachgi bwm
chachgi bwm

/ˌkaχɡɪ ˈbʊm/

Possibly from cachgi (“coward”) + bwm (“boom, buzz”), where cachgi is literally an "excrement dog" (cf. cacwn (“bumblebees”) for similar etymological elements) and bwm is onomatopoeic (compare English bumblebee).


maharen

From earlier maharaen from marahwyn, cf. halen (“salt”) from halaen from halwyn. The first half of the word may be related to mehyr (“spear”) and the second element to oen (“lamb”).

capel maharen

resorting to the mountain during the hours of divine service

cachar maharen

tying up a person while in a squatting position


hwrdd

hwrdd m (plural hyrddod, diminutive hyrddyn, not mutable)

Possibly related to hwrdd (“violent push, thrust, blow”); the latter is thought to derive from an earlier *sor-d-, from Proto-Indo-European *ser- (“to flow”). Cognate with Cornish hordh.

Thymallus thymallus
Thymallus thymallus#Translingual


gwenyn gwyllt

gwenyn gwyllt f (collective, singulative gwenynen wyllt)

gwenynen wyllt (singulative)
gwenyn gwyllt
wenyn gwyllt (soft)
ngwenyn gwyllt

/ˌɡwɛnɨ̞n ˈɡwɨːɬd/

[ˌɡwɛnɨ̞ŋ ˈɡwɨːɬt]

/ˌɡweːnɪn ˈɡwɪɬd/

[ˌɡweːnɪŋ ˈɡwɪɬt]

/ˌɡwɛnɪn ˈɡwɪɬd/

[ˌɡwɛnɪŋ ˈɡwɪɬt]

From gwenyn (“bumblebees, wasps, hornets”) + gwyllt (“wild”).


gwenyn mêl

cy-noun

gwenyn mêl f (collective, singulative gwenynen fêl)

gwenynen fêl (singulative)
gwenyn mêl
wenyn mêl (soft)
ngwenyn mêl


gwartheg

gwartheg m (collective, singulative gwarthegyn)

gwarthegyn (singulative)
gwartheg
wartheg (soft)
ngwartheg


gleuad

gleuad f (collective, singulative gleuaden)

gleuaden (singulative)
gleuad
leuad (soft)
ngleuad

From Proto-Indo-European *ǵʰel- (“to shine”). Cognate with Cornish glos and Breton glawed.


iâr faes

ieir maes (plural)
iâr faes
hiâr faes (prothesis-h)


llwydfelyn

llwydfelynion (plural)
llwydfelyn
lwydfelyn (soft)

/ɬʊɨ̯dˈvɛlɨ̞n/

Colias croceus
Wikispecies:Colias croceus

clouded yellow (any butterfly of the genus Colias, especially Colias croceus)


eidion

eidionnau (plural)
eidion
heidion (prothesis-h)

beef, ox, steer, bullock (domestic male of the bovine family)


gwinau

cy-adj

gwinau (feminine singular gwinau, plural gwinau, not comparable)

gwinau (feminine singular)
gwinau (plural)
gwinau
winau (soft)
ngwinau


dugoch

dugoch (feminine singular dugoch, plural dugochion, equative dugoched, comparative dugochach, superlative dugochaf)

dugoch (feminine singular)
dugochion (plural)
dugoched (equative)
dugochach (comparative)
dugochaf (superlative)
dugoch
ddugoch (soft)
nugoch


llaeth a chwrw

llaeth a chwrw (feminine singular llaeth a chwrw, plural llaeth a chwrw, not comparable)

llaeth a chwrw (feminine singular)
llaeth a chwrw (plural)
llaeth a chwrw
laeth a chwrw (soft)

/ˌɬaːɨ̯θ a ˈχʊrʊ/

/ˌɬai̯θ a ˈχʊru/

/ˌɬaːθ a ˈχuːru/

/ˌɬaːθ a ˈχʊru/

llaeth (“milk”) + a (“and”) + cwrw (“ale”)


du a gwyn

cy-adj

du a gwyn (feminine singular du a gwyn, plural du a gwyn, not comparable)

du a gwyn (feminine singular)
du a gwyn (plural)
du a gwyn
ddu a gwyn (soft)
nu a gwyn

/ˌdɨː a ˈɡwɨ̞n/

du (“black”) + a (“and”) + gwyn (“white”)


llwydlas

pabi corniog melyn
pabi corniog melyn#Welsh

Synonym of pabi corniog melyn (“yellow horned poppy”)


brithddu

cy-adj

brithddu (feminine singular brithddu, plural brithdduon, equative brithddued, comparative brithdduach, superlative brithdduaf)

brithddu (feminine singular)
brithdduon (plural)
brithddued (equative)
brithdduach (comparative)
brithdduaf (superlative)
brithddu
frithddu (soft)
mrithddu

brith (“speckled, mottled”) + du (“black”)


ffrwyn

cy-noun

ffrwyn f (plural ffrwynau or ffrwyni, not mutable)

Proto-Brythonic *fruɨn, a borrowing from Latin frēnum.


penffrwyn

penffrwynau (plural)
penffrwyn
benffrwyn (soft)
mhenffrwyn
phenffrwyn


chwiwell

chwiwell f (plural chwiwellau, not mutable)

Mareca penelope
Mareca penelope#Translingual

Eurasian wigeon, wigeon (Mareca penelope)


chwiw

chwiw f (plural chwiwiaid or chwiws, not mutable)

Borrowed from dialectal English whew (duck).


gafr wyllt

gafr wyllt f (plural geifr gwyllt or geifr gwylltion)

geifr gwyllt (plural)
geifr gwylltion (plural)
gafr wyllt
afr wyllt (soft)
ngafr wyllt

Cymdeithas Edward Llwyd
w:Cymdeithas Edward Llwyd


mamwenyn

mamwenyn f (collective, singulative mamwenynen)

mamwenynen (singulative)
mamwenyn
famwenyn (soft)


modrydaf

modrydafau (plural)
modrydaf
fodrydaf (soft)

From *modr (“mother”) + bydaf (“swarm, nest of (wild) bees”)


dafaty

dafatai (plural)
dafaty
ddafaty (soft)
nafaty

dafad (“sheep”) + tŷ (“house, dwelling”).


defeity

defeitai (plural)
defeity
ddefeity (soft)
nefeity

defaid (“sheep (pl.)”) + tŷ (“house, dwelling”).


cefndres

cefndresi (plural)
cefndres
gefndres (soft)
nghefndres
chefndres

backband, backchain (band or chain that passes over the back of a horse to hold up the shafts of a wagon)


carwden

carwdenni (plural)
carwden
garwden (soft)
ngharwden
charwden

car (“vehicle”) + gwden (“withe, band”).


gwden

cy-noun

gwden f (plural gwdennau or gwdenni or gwdennod)

gwdennau (plural)
gwdenni (plural)
gwdennod (plural)
gwden
wden (soft)
ngwden

Inherited from Middle Welsh gwden, from Proto-Celtic *weitis.

withe (flexible shoot or twig used in binding)


biswail

biswail f (collective, singulative bisweilen)

bisweilen (singulative)
biswail
fiswail (soft)
miswail

Inherited from Middle Welsh bisweil. Alternative forms piswail and piswel suggest influence by piso (“to piss”).

plant Alis y biswail

English people; children of Alice [daughter of Hengist] of the cowpats