English
anticenter
From anti- + center.
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 *ḱéntrom ‘pointed tool’
…
Ancient Greek κέντρον ‘something with a sharp point: point’
Latin centrum
Middle French centre
Middle English center
English center
Today it means
noun The point in the sky opposite to that of the centre of the galaxy (when viewed from Earth)
Language periods are conventional ranges, not dates for this word.
Etymograph / anticenter