Where does “abysal” come from?

abysal (Polish) comes from English abyssal, from Medieval Latin abyssalis, from Latin abyssus, from Ancient Greek ἄβυσσος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

Ancestry of “abysal”, step by step

StepLanguageWordMeaning
1EnglishabyssalBelonging to, or resembling, an abyss;...
2Medieval Latinabyssalis
3Latinabyssusan abyss
4Ancient Greekἄβυσσοςbottomless, boundless; unfathomable; bottomless...
5Ancient Greekἀ-The alpha privativum, used to make words that...
6Proto-Hellenichə-same; together
7Proto-Indo-Europeansm̥-one; with, together
8Proto-Indo-Europeansem-together, one

Words derived from “abysal

Every word from Proto-Indo-European sem-Every word from Ancient Greek ἀ-Every word from Proto-Indo-European sm̥-
abysal — Etymology, Origin & Word History | Etymology Explorer