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

→ Assamese চছমা (derived)
→ Bengali চশমা (derived)
→ Persian چشم (inherited)
→ Hindi चश्मा (derived)
→ Northern Kurdish çav (inherited)
→ Marathi चष्मा (derived)
→ Ossetian цасм (inherited)
→ Ossetian цанс (inherited)