Where does “gastly” come from?

gastly (English) comes from Middle English gastly, from Middle English gasten, from Old English gǣstan, from Proto-West Germanic *gaistijan, from Proto-Germanic gaistijaną.

Ancestry of “gastly”, step by step

StepLanguageWordMeaning
1Middle Englishgastly
2Middle Englishgastento terrify
3Old Englishgǣstanto gast, frighten, afflict, torment; to torment,...
4Proto-West Germanic*gaistijan
5Proto-Germanicgaistijaną

Words derived from “gastly

Every word from Proto-Germanic gaistijanąEvery word from Proto-West Germanic *gaistijanEvery word from Old English gǣstan
gastly — Etymology, Origin & Word History | Etymology Explorer