Old Church Slavonic естъ

← Gothic 𐌹𐍃𐍄 (cognate)

← Ancient Greek ἐστί (cognate)

← Hittite 𒂊𒌍𒍣 (cognate)

← Proto-Indo-European *h₁ést (derived)

← Old Persian 𐎠𐎿𐎫𐎡𐎹 (cognate)

← Sanskrit अस्ति (cognate)

← Proto-Slavic *estь (inherited)