Where does “vastly” come from?

Vastly derives from English vast, from Middle French vaste, from Latin vastus meaning empty or desolate, ultimately from Proto-Indo-European h₁weh₂-.

vastly (English): Greatly, in a vast manner

Definitions

  1. Greatly, in a vast manner

Ancestry of “vastly”, step by step

StepLanguageWordMeaning
1English-lyUsed to form adjectives from nouns, the...
2EnglishgrislyHorrifyingly repellent; gruesome, terrifying;...
3Middle Englishgrisely
4Old Englishgrisliċgrisly, horrible; dreadful, horrid
5Old English-līċsuffix forming {{glossary|adjective}}s meaning...
6Proto-Germanic*-līk
Every word from Proto-Germanic *-līkEvery word from English -lyEvery word from Old English -līċ