Where does “presumably” come from?

Presumably derives from English presume, from Latin praesumo meaning to assume beforehand, from prae- and -sumere combining elements ultimately rooted in Proto-Indo-European per-.

presumably (English): able to be sensibly presumed

Definitions

  1. able to be sensibly presumed

Ancestry of “presumably”, step by step

StepLanguageWordMeaning
1English-ablyUsed to form adverbs corresponding to adjectives...
2English-lyUsed to form adjectives from nouns, the...
3EnglishgrislyHorrifyingly repellent; gruesome, terrifying;...
4Middle Englishgrisely—
5Old Englishgrisliċgrisly, horrible; dreadful, horrid
6Old English-līċsuffix forming {{glossary|adjective}}s meaning...
7Proto-Germanic*-līk—

Words derived from “presumably”

Every word from Proto-Germanic *-līk →Every word from English -ly →Every word from Old English -līċ →