Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latvian skuja
Proto-Balto-Slavic *skwajāˀ (inherited)
Proto-Indo-European (derived)
Proto-Indo-European *ksu- (mention)
Proto-Indo-European *kes- (mention)
Proto-Slavic *xvoja (cognate)

Latvian Skuja (mention)
Latvian Skujiņš (suffix)