Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Early Assamese
শশুৰ
←
Proto-Indo-Iranian
*swáćuras
(inherited)
←
Proto-Indo-Aryan
*swáśuras
(inherited)
←
Proto-Indo-European
*swéḱuros
(inherited)
←
Sanskrit
श्वशुर
(inherited)
→
Assamese
শহুৰ
(inherited)