Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
immee
←
Middle Irish
immthigid
(inherited)
←
Old Irish
imm·téit
(derived)
←
Old Irish
imm
(mention)
←
Old Irish
téit
(mention)
→
Manx
immeeaght
(suffix)