Where does “aneas” come from?

aneas (Irish) comes from Old Irish andes, from Old Irish dess, from Proto-Celtic dexswos, from Proto-Indo-European deḱswo-, from Proto-Indo-European deḱs- — right.

aneas (Irish): from the south; northward; of the south wind

Definitions

from the south; northward; of the south wind

Ancestry of “aneas”, step by step

aneas traces back through two separate lines of ancestry.

via Old Irish andes

Step	Language	Word	Meaning
1	Old Irish	andes	from the right
2	Old Irish	dess	right; south
3	Proto-Celtic	dexswos	right; south
4	Proto-Indo-European	deḱswo-	—
5	Proto-Indo-European	deḱs-	right

via Latin Aenēas

Step	Language	Word	Meaning
1	Latin	Aenēas	—
2	Latin	-is	suffixed to the root of nouns in composition,...
3	Latin	-a	suffixed to the roots of verbs, forms agent...
4	Proto-Italic	-ā	Forms masculine agent nouns from prefixed or compounded bases
5	Proto-Indo-European	-éh₂	—

Every word from Proto-Indo-European deḱs- →Every word from Proto-Indo-European deḱswo- →Every word from Proto-Celtic dexswos →