English oestrus

← Avestan 𐬀𐬈𐬯𐬨𐬀 (cognate)

← Ancient Greek οἶστρος (derived)

← Proto-Indo-European *h₁eys- (derived)

← Latin oestrus (borrowed)

← Latin īra (cognate)

← Lithuanian aistra (cognate)

→ English dioestrus (prefix)

→ English postoestrus (prefix)

→ English oestrin (suffix)

→ English perioestrus (prefix)