Where does “unquestionably” come from?

Unquestionably derives from English unquestionable, formed from English question and Latin -abilis, ultimately from Latin quaero meaning to seek or ask.

unquestionably (English): without question; beyond doubt; indubitably; OK,...

Definitions

  1. without question; beyond doubt; indubitably; OK,...

Ancestry of “unquestionably”, 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