Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ἔπορον
←
Proto-Indo-European
*perh₃-
(derived)
←
Old Irish
ernaid
(cognate)
→
Welsh
rhad
(cognate)
→
Ancient Greek
πρωτός
(mention)
→
Old Irish
ernaid
(cognate)