Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tocharian A
naut-
←
Proto-Indo-European
*neh₂u-
(inherited(xto/txb))
←
Proto-Tocharian
*näut-
(inherited(xto/txb))