English
abyssolithic
From abyss (“deep”) + lithic (“rock like”).
A compound of abyss ‘deep’ + lithic ‘rock like’
Ancient Greek βυθός ‘deep place’
Ancient Greek ἄβυσσος ‘bottomless’
Late Latin abyssus ‘a bottomless gulf’
Middle English abissus
English abyss
Today it means
adj Of or pertaining to an abyssolith.
Language periods are conventional ranges, not dates for this word.
Etymograph / abyssolithic