Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tocharian A
āk-
←
Proto-Indo-European
*h₂eǵ-
(inherited)
←
Proto-Tocharian
*āk-
(inherited)
←
Tocharian B
āk
(cognate)
←
Tocharian B
āk-
(cognate)