cist

cistiau (plural)
cist
gist (soft)
nghist
chist

From Old English cist or Middle English kist.


bual

cy-noun

bual m (plural buail or bualod or bualau)

buail (plural)
bualod (plural)
bualau (plural)
bual
fual (soft)
mual

From Middle Welsh bual, from Proto-Brythonic *bʉβal, from Latin būbalus, from Ancient Greek βούβαλος (boúbalos). Compare Breton bual.


nymff

nymff f (plural nymffod or nimffau or nimffiaid, not mutable)

nymffod (plural)
nimffau (plural)
nimffiaid (plural)

Borrowed from Latin nympha (“nymph, bride”), from Ancient Greek νύμφη (númphē, “bride”).


cacwn

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.


bicer

biceri (plural)
bicerau (plural)
bicer
ficer (soft)
micer


gwyach

gwyachod (plural)
gwyach
wyach (soft)
ngwyach

From Middle Welsh gwyach, from Proto-Celtic *wessakos. Cognate with Irish fiach (“raven”).


gwennol

gwenoliaid (plural)
gwennol
wennol (soft)
ngwennol

From Middle Welsh gwennawl, from Proto-Brythonic *gwennọl (compare Breton gwennel), from Proto-Celtic *wesnālā (whence Old Irish fannall). For sense "frog (in a horse's foot)", compare Ancient Greek χελιδών (khelidṓn).

(zoology, horse anatomy) frog (organ on the bottom of a horse’s hoof)


mantell

From Latin mantellum (“cloak”), diminutive of mantum, of Gaulish origin.


corlan

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


cigydd

cigyddion (plural)
cigydd
gigydd (soft)
nghigydd
chigydd

Peter Hayman
w:Peter Hayman (ornithologist)

Gwasg Carreg Gwalch
w:Gwasg Carreg Gwalch

(ornithology) shrike (cf. English butcherbird)


copog

cy-adj

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

copog (feminine singular)
copog (plural)

gwalcheryr copog Asia ()

changeable hawk-eagle; crested hawk-eagle


emrallt

emralltiau (plural)
emrallt
hemrallt (prothesis-h)

(ornithology) emerald (hummingbird in the tribe Trochilini)

(entomology) emerald (moth in the subfamily Geometrinae)


picwns

cy-noun

picwns f (collective, singulative picwnen)

picwnen (singulative)
picwns
bicwns (soft)
mhicwns
phicwns

Related to pipgwn (“wasps”), namely pib (“pipe”) + cŵn (“dogs”), possibly under the influence of pig (“prickle, spike, sting”). See also piffgwn (“wasps”).


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 meirch

cy-noun

gwenyn meirch f (collective, singulative gwenynen feirch)

gwenynen feirch (singulative)
gwenyn meirch
wenyn meirch (soft)
ngwenyn meirch

From gwenyn (“bees”) + meirch (“horses, stallions”).


hollysydd

cy-noun

hollysydd m (plural hollysyddion, not mutable)

From holl (“all”) + ysydd (“devourer”). Calque of Latin omnivorus.


llysysydd

llysysyddion (plural)
llysysydd
lysysydd (soft)

From llys (“herb, plant”) + ysydd (“devourer”). Calque of Latin herbivorus.


cigysydd

cigysyddion (plural)
cigysydd
gigysydd (soft)
nghigysydd
chigysydd

From cig (“meat”) + ysydd (“devourer”). Calque of Latin carnivorus.


pryfysydd

pryfysyddion (plural)
pryfysydd
bryfysydd (soft)
mhryfysydd
phryfysydd

From pryf (“bug, insect”) + ysydd (“devourer”). Calque of New Latin insectivorus.


ymestyn

cy-verb

ymestyn (first-person singular present ymestynnaf)

ymestynnaf (first-person present singular)
ymestynnaf (first-person future indicative present singular)
ymestynni (future indicative present second-person singular)
ymestyn (future indicative present singular third-person)
ymestynna (future indicative present singular third-person)
ymestynnwn (first-person future indicative plural present)
ymestynnwch (future indicative plural present second-person)
ymestynnant (future indicative plural present third-person)
ymestynnir (future impersonal indicative present)
ymestynnwn (conditional first-person singular)
ymestynnwn (first-person imperfect indicative singular subjunctive)
ymestynnit (conditional second-person singular)
ymestynnit (imperfect indicative second-person singular subjunctive)
ymestynnai (conditional singular third-person)
ymestynnai (imperfect indicative singular subjunctive third-person)
ymestynnem (conditional first-person plural)
ymestynnem (first-person imperfect indicative plural subjunctive)
ymestynnech (conditional plural second-person)
ymestynnech (imperfect indicative plural second-person subjunctive)
ymestynnent (conditional plural third-person)
ymestynnent (imperfect indicative plural subjunctive third-person)
ymestynnid (conditional impersonal)
ymestynnid (imperfect impersonal indicative subjunctive)
ymestynnais (first-person preterite singular)
ymestynnaist (preterite second-person singular)
ymestynnodd (preterite singular third-person)
ymestynasom (first-person plural preterite)
ymestynasoch (plural preterite second-person)
ymestynasant (plural preterite third-person)
ymestynnwyd (impersonal preterite)
ymestynaswn (first-person pluperfect singular)
ymestynasit (pluperfect second-person singular)
ymestynasai (pluperfect singular third-person)
ymestynasem (first-person pluperfect plural)
ymestynasech (pluperfect plural second-person)
ymestynasent (pluperfect plural third-person)
ymestynasid (impersonal pluperfect)
ymestynesid (impersonal pluperfect)
ymestynnwyf (first-person present singular subjunctive)
ymestynnych (present second-person singular subjunctive)
ymestynno (present singular subjunctive third-person)
ymestynnom (first-person plural present subjunctive)
ymestynnoch (plural present second-person subjunctive)
ymestynnont (plural present subjunctive third-person)
ymestynner (impersonal present subjunctive)
ymestyn (imperative second-person singular)
ymestynna (imperative second-person singular)
ymestynned (imperative singular third-person)
ymestynnwn (first-person imperative plural)
ymestynnwch (imperative plural second-person)
ymestynnent (imperative plural third-person)
ymestynner (imperative impersonal)
ymestyn (noun-from-verb)
ymestynedig (participle)
ymestynadwy (participle)
ymestynna i (first-person future singular)
ymestynnaf i (first-person future singular)
ymestynni di (future second-person singular)
ymestynnith o (future singular third-person)
e (future singular third-person)
hi (future singular third-person)
ymestynniff e (future singular third-person)
ymestynnwn ni (first-person future plural)
ymestynnwch chi (future plural second-person)
ymestynnan nhw (future plural third-person)
ymestynnwn i (conditional first-person singular)
ymestynswn i (conditional first-person singular)
ymestynnet ti (conditional second-person singular)
ymestynset ti (conditional second-person singular)
ymestynnai fo (conditional singular third-person)
fe (conditional singular third-person)
hi (conditional singular third-person)
ymestynsai fo (conditional singular third-person)
ymestynnen ni (conditional first-person plural)
ymestynsen ni (conditional first-person plural)
ymestynnech chi (conditional plural second-person)
ymestynsech chi (conditional plural second-person)
ymestynnen nhw (conditional plural third-person)
ymestynsen nhw (conditional plural third-person)
ymestynnais i (first-person preterite singular)
ymestynnes i (first-person preterite singular)
ymestynnaist ti (preterite second-person singular)
ymestynnest ti (preterite second-person singular)
ymestynnodd o (preterite singular third-person)
e (preterite singular third-person)
hi (preterite singular third-person)
ymestynnon ni (first-person plural preterite)
ymestynnoch chi (plural preterite second-person)
ymestynnon nhw (plural preterite third-person)
ymestynna (imperative second-person singular)
ymestynnwch (imperative plural second-person)
ymestyn
hymestyn (prothesis-h)

From ym- + estyn (“to extend, to stretch”).


swoleg

Adaptation of English zoology. By surface analysis, sw (“zoo”) + -oleg.


grawn

cy-noun

grawn m (collective, singulative gronyn)

gronyn (singulative)
grawn
rawn (soft)
ngrawn

From Proto-Brythonic *grọn, from Proto-Celtic *grānom, from Proto-Indo-European *ǵr̥h₂nóm. Compare Breton greun, Irish grán, Latin grānum.

(zoology) roe, spawn (fish or amphibian eggs)


trochydd

trochyddion (plural)
trochydd
drochydd (soft)
nhrochydd
throchydd

From trochi (“to immerse, to plunge”) + -ydd.

Cymdeithas Edward Llwyd
w:Cymdeithas Edward Llwyd

white-throated dipper
white-throated dipper

Cinclus cinclus
Cinclus cinclus#Translingual

(ornithology) white-throated dipper (Cinclus cinclus)


pengoch

pengoch
bengoch (soft)
mhengoch
phengoch

Acanthis flammea
Acanthis flammea#Translingual

(ornithology) redpoll (Acanthis), especially common redpoll (Acanthis flammea)


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”).


Oes yr Haearn

Oes yr Haearn
Hoes yr Haearn (prothesis-h)


Oes y Cerrig

Oes y Cerrig
Hoes y Cerrig (prothesis-h)


Oes yr Efydd

Oes yr Efydd
Hoes yr Efydd (prothesis-h)


meingylch

meingylchoedd (plural)
meingylch
feingylch (soft)

From mein (“stones”) + cylch (“circle”).


hengor

From hen (“old”) + côr (“choir, quire”).


cylch pridd

cylchoedd pridd (plural)
cylch pridd
gylch pridd (soft)
nghylch pridd
chylch pridd