Ancient Greek ὕπαρ

← Ancient Greek ὕπνος (mention)

← Ancient Greek ὄναρ (mention)

← Hittite 𒋗𒌒𒈦𒉿𒀭𒍝 (cognate)

← Proto-Indo-European (inherited)

← Proto-Indo-European *swep- (suffix)

← Proto-Indo-European *-r̥ (suffix)

← Latin sopor (cognate)