Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Armenian
եաղութ
←
Arabic
يَاقُوت
(borrowed)
←
Middle Armenian
յակինթ
(doublet)
→
Middle Armenian
յակինթ
(doublet)
→
Armenian
յաղութ
(inherited)
→
Old Armenian
յակինթ
(mention)