English
antibaryon
From anti- + baryon.
Proto-Indo-European *h₂ent- ‘forehead’
Proto-Indo-European *h₂énts ‘forehead’
Proto-Indo-European *h₂énti ‘opposite’
Ancient Greek ᾰ̓ντῐ́ ‘over against, opposite’
English anti-
Proto-Indo-European *gʷreh₂- ‘heavy’
Proto-Indo-European *gʷréh₂us ‘heavy’
Proto-Hellenic *gʷarus ‘heavy’
Ancient Greek βαρύς ‘heavy’
English baryon
Today it means
noun The antiparticle corresponding to a baryon.
Language periods are conventional ranges, not dates for this word.
Etymograph / antibaryon