Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Thai
อุตส่าห์
←
Khmer
ឧស្សាហៈ
(cognate)
←
Old Khmer
otsā
(borrowed)
←
Old Khmer
*utsāha
(mention)
←
Sanskrit
उत्साह
(borrowed)
←
Thai
อุตสาหะ
(cognate)
→
Khmer
ឧស្សាហ៍
(cognate)