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

→ English delf (derived)
→ Old English delfan (inherited)
→ Old English delf (inherited)
→ Middle Dutch delven (inherited)
→ Middle English delven (inherited)
→ Dutch delven (inherited)
→ Yola del (inherited)