Northern Kurdish xew

← English sweven (cognate)

← Proto-Indo-Iranian *swápnas (inherited)

← Proto-Indo-European *swep- (root)

← Proto-Indo-European *swépnos (derived)

← Proto-Indo-European *swep- (mention)

← Proto-Iranian *hwápnas (inherited)

→ Persian خواب (cognate)

→ Persian خفتن (cognate)

→ Northern Kurdish xewxane (suffix)

→ Yagnobi хун (cognate)