Russian юный

← Old Church Slavonic юнъ (borrowed)

← Proto-Balto-Slavic *jauˀnás (derived)

← Proto-Indo-European *h₂yuh₁en- (derived)

← Old East Slavic унъ (cognate)

← Old East Slavic оунъ (mention)

← Proto-Slavic *junъ (derived)

→ Old Saxon jung (mention)

→ Vilamovian jung (mention)