Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tocharian B
malkwer
←
English
milk
(cognate)
←
Proto-Indo-European
*h₂melǵ-
(derived)
←
Tocharian A
malke
(cognate)
→
Tocharian A
malke
(cognate)