Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Welsh
knaw
←
Proto-Celtic
*knāmis
(derived)
←
English
ham
(cognate)
←
Ancient Greek
κνήμη
(cognate)
←
Proto-Indo-European
*kónh₂m
(derived)
←
Old Irish
cnáim
(borrowed)