Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
խեթ
←
Proto-Indo-European
*kh₂eyd-
(mention)
←
Old Armenian
խայթ
(mention)
→
Armenian
խեթ
(mention)
→
Old Armenian
խեթամ
(mention)