Where does “unilaterally” come from?

Unilaterally derives from English unilateral plus the Middle English adverbial suffix -ly, with unilateral from Latin lateralis meaning "of the side," from Latin latus meaning "side," ultimately from Proto-Indo-European roots.

unilaterally (English): In a unilateral way

Definitions

  1. In a unilateral way

Ancestry of “unilaterally”, 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 *-līk