Russian девяносто

← Ancient Greek ἐνενήκοντα (cognate)

← Proto-Indo-European (inherited)

← Proto-Indo-European *h₁néwn̥ (mention)

← Proto-Indo-European *déḱm̥t (mention)

← Latin nōnāgintā (cognate)

← Old East Slavic девѧносъто (inherited)

← Old East Slavic съто (mention)

← Russian де́вять (mention)

← Russian де́сять (mention)

← Proto-Slavic *[[devętь]] [[desętь|desętъ]] (mention)