Where does “alastor” come from?

alastor (English) comes from Scottish Gaelic Alasdair, from Old Irish Alaxander, from Latin Alexander, from Ancient Greek Ἀλέξανδρος, from Ancient Greek ἀλέξω, from Ancient Greek ἀνδρός, from Ancient Greek ἀνήρ, from Proto-Hellenic *anḗr — man.

alastor (English): An avenging spirit or deity, variously associated with the Erinyes, Nemesis, and more

Definitions

  1. An avenging spirit or deity, variously associated with the Erinyes, Nemesis, and more

Ancestry of “alastor”, step by step

alastor traces back through two separate lines of ancestry.

via Scottish Gaelic Alasdair

StepLanguageWordMeaning
1Scottish GaelicAlasdair
2Old IrishAlaxander
3LatinAlexander
4Ancient GreekἈλέξανδροςAlexander
5Ancient Greekἀλέξωto keep off, turn aside; to guard, protect,...
6Ancient Greekἀνδρόςgenitive singular of ἀνήρ; man; of man
7Ancient Greekἀνήρman; husband; human being, as opposed to a god
8Proto-Hellenic*anḗrman

via Ancient Greek ἀλάστωρ

StepLanguageWordMeaning
1Ancient Greekἀλάστωρavenging spirit or deity
2Ancient Greekἄλαστοςinsufferable, accursed
3Ancient Greekἀ-The alpha privativum, used to make words that...
4Proto-Hellenichə-same; together
5Proto-Indo-Europeansm̥-one; with, together
6Proto-Indo-Europeansem-together, one
Every word from Proto-Hellenic *anḗr