English
antiblock
From anti- + block.
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 *bʰelǵ- ‘thick plank’
…
Old Dutch *blok ‘log’
Middle Dutch blok ‘treetrunk’
Old French bloc ‘log’
Middle English blok ‘log’
English block
Today it means
adj Preventing layers of film from sticking together.
Language periods are conventional ranges, not dates for this word.
Etymograph / antiblock