Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Bengali
গহির
←
Proto-Indo-Iranian
*gabʰrás
(inherited)
←
Prakrit
𑀕𑀳𑀻𑀭
(inherited)
←
Proto-Indo-European
*gʷabʰ-
(root)
←
Proto-Indo-European
*gʷabʰrós
(inherited)
←
Sanskrit
गभीर
(inherited)
→
Bengali
গহির
(inherited)