English
hypabyssal
From hyp- + abyssal.
A compound of hyp- + abyssal
Ancient Greek βυθός ‘depth’
Ancient Greek ἄβῠσσος ‘bottomless pit’
Latin abyssus ‘abyss’
Medieval Latin abyssalis ‘Of, pertaining to or resembling an abyss’
English abyssal
Today it means
adj that solidifies, as a minor intrusion, before reaching the Earth's surface
Language periods are conventional ranges, not dates for this word.
Etymograph / hypabyssal