Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
maidid
←
Proto-Celtic
*madyeti
(inherited)
←
Proto-Indo-European
*meh₂d-
(derived)
←
Old Irish
(mention)
←
Old Irish
(mention)
→
Irish
maígh
(inherited)
→
Irish
maidhm
(mention)
→
Latin
madeo
(cognate)