Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
meanma
←
Proto-Celtic
*menman
(inherited)
←
Proto-Indo-European
*men-
(root)
←
Proto-Indo-European
*men-
(derived)
←
Middle Irish
menma
(inherited)
←
Old Irish
menmae
(inherited)
→
English
McMenamin
(mention)
→
Irish
mórmheanma
(affix)