Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
baintreach
←
Old English
þorp
(cognate)
←
Proto-Celtic
*trebā
(derived)
←
Welsh
tref
(cognate)
←
Irish
feadhbh
(mention)
←
Proto-Indo-European
*treb-
(derived)
←
Lithuanian
troba
(cognate)
←
Middle Irish
baintrebthach
(inherited)
←
Old Irish
ban-
(mention)
←
Old Irish
ben
(mention)
←
Old Irish
trebthach
(mention)
←
Old Irish
treb
(mention)
←
Old Irish
fedb
(cognate)