Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
gabh
←
Proto-Celtic
*gabyeti
(inherited)
←
Proto-Indo-European
*gʰeh₁bʰ-
(inherited)
←
Old Irish
gaibid
(inherited)
→
Scottish Gaelic
ath-ghabh
(prefix)