ягнёнок • (jagnjónok) m anim (genitive ягнёнка, nominative plural ягня́та, genitive plural ягня́т)
From Old East Slavic агнѧ (agnę), ꙗгнѧ (jagnę) + -ёнок (-jónok), from Proto-Slavic *agnę, from Proto-Indo-European *h₂egʷn-, the stem of *h₂egʷnos. Compare а́гнец (ágnec).