Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
dó
←
Proto-Celtic
*dwau
(inherited)
←
Irish
a
(mention)
←
Irish
dó dhéag
(link)
←
Irish
dóú
(link)
←
Irish
beirt
(link)
←
Irish
dara
(link)
←
Irish
dhá
(link)
←
Irish
dhó
(link)
←
Irish
(mention)
←
Irish
de
(link)
←
Irish
dhe
(link)
←
Irish
dóghadh
(mention)
←
Irish
dóghadh
(alter)
←
Irish
(alter)
←
Irish
obsolete
(alter)
←
Irish
dóighe
(alter)
←
Irish
(alter)
←
Irish
obsolete
(alter)
←
Proto-Indo-European
*dwóh₁
(inherited)
←
Old Irish
dau
(inherited)
←
Old Irish
[[dáu]], [[dó]], [[dóu]]
(inherited)
←
Old Irish
[[dóüd]], [[dód]]
(inherited)
→
Irish
de
(alter)
→
Irish
dó-
(mention)
→
Irish
dhá
(mention)
→
Irish
dódhíonach
(affix)
→
Irish
daichead
(affix)
→
Irish
dósan
(affix)
→
Irish
griandó
(affix)
→
Scottish Gaelic
dha
(cognate)