Proto-IE: *ers-
Meaning: bull; male
Old Indian: rṣabhá- m. `bull', aja-rṣabhá- m. `he-goat'
Avestan: aršan- 'Mann'
Other Iranian: OPers aršan- 'Mann'
Armenian: arrn `Mensch'
Old Greek: ep. ársēn, att. árrēn, ion., aeol., kret. érsēn `männlich'; hom. arnẹ̄ó-s, att. arneṓ-s m. `Schafbock, Widder'
Celtic: OIr err, gen. erred `Held, tapfer'
Russ. meaning: скот (бугай); самец
References: WP I 149 f
piet-prnum,piet-meaning,piet-ind,piet-avest,piet-iran,piet-arm,piet-greek,piet-germ,piet-celt,piet-rusmean,piet-refer,