Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Finnish -ttu
← Proto-Finnic *-ttu (inherited)
← Proto-Finnic *-ta- (mention)
← Proto-Finnic (mention)
← Proto-Finnic *-u (mention)

→ Finnish juhlaliputettu (affix)
→ Finnish -tuinen (suffix)
→ Finnish hiottu (affix)
→ Finnish kesytetty (affix)