Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *wedʰrom

English weather (inherited)
German verwittern (derived)
Middle English weder (inherited)
Westrobothnian ver (inherited)
Low German Weder (inherited)
Dutch weer (derived)
Albanian vrëndë (derived)