Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Hindi स्वप्न
← Proto-Indo-Iranian *swap- (root)
← Proto-Indo-Aryan *swap- (root)
← Proto-Indo-European *swep- (root)
← Proto-Indo-European *swep- (root)
← Sanskrit स्वप् (root)
← Sanskrit स्वप्न (borrowed)

→ Hindi सपना (doublet)