Where does “abis” come from?

abis (Old Irish) comes 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.

abis (Old Irish): abyss

Definitions

abyss

Ancestry of “abis”, step by step

Step	Language	Word	Meaning
1	Latin	abyssus	an abyss
2	Ancient Greek	ἄβυσσος	bottomless, boundless; unfathomable; bottomless...
3	Ancient Greek	ἀ-	The alpha privativum, used to make words that...
4	Proto-Hellenic	hə-	same; together
5	Proto-Indo-European	sm̥-	one; with, together
6	Proto-Indo-European	sem-	together, one

Words derived from “abis”

aibhéis
aibhéiseach

Every word from Proto-Indo-European sem- →Every word from Ancient Greek ἀ- →Every word from Proto-Indo-European sm̥- →