Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Sanskrit कश्चिद्

→ Assamese কেও (inherited)
→ Hindi कुछ (mention)
→ Hindi कुछ (inherited)
→ Hindi कोई (inherited)
→ Early Assamese কেহোঁ (inherited)