English
antialexin
From anti- + alexin.
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 *h₂lek- ‘to defend, to protect’
Proto-Hellenic *aléksō ‘to protect’
Ancient Greek ἀλέξω ‘to guard’
German Alexine
English alexin
Today it means
noun Any material that counteracts the action of an alexin
Language periods are conventional ranges, not dates for this word.
Etymograph / antialexin