Where does “ollfhathach” come from?

ollfhathach (Irish) comes from Irish oll, from Old Irish -, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

ollfhathach (Irish): supergiant

Definitions

supergiant

Ancestry of “ollfhathach”, step by step

ollfhathach traces back through two separate lines of ancestry.

via Irish oll

Step	Language	Word	Meaning
1	Irish	oll	great; huge, vast, immense
2	Old Irish	-	—
3	Latin	-tor	-er
4	Proto-Italic	-tōr	Forms agent nouns to verb stems
5	Proto-Indo-European	-tōr	Derives agent nouns from verbs, denoting someone...
6	Proto-Indo-European	-tor-s	—

via Irish fathach

Step	Language	Word	Meaning
1	Irish	fathach	giant; giant star
2	Old Irish	aithech	farmer, peasant, countryman, churl, rent-payer

Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Proto-Indo-European -tōr →