Where does “illegally” come from?

Illegally derives from English illegal, from French illégal, from Latin in- (not) and -alis (relating to), with -alis from Proto-Indo-European ḱóm (together), ultimately meaning not in accordance with law.

illegally (English): In a manner contrary to law

Definitions

  1. In a manner contrary to law

Ancestry of “illegally”, step by step

StepLanguageWordMeaning
1EnglishillegalContrary to or forbidden by law, especially...
2Frenchillégalillegal; not permitted by law
3Medieval Latinillegalisillegal
4Latinlēgālislegal
5Latinlēxa proposition or motion for a law made to the people by a magistrate, a bill
6Proto-Italiclēg-
7Proto-Indo-Europeanleǵ-s
8Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European leǵ-
illegally — Etymology, Origin & Word History | Etymology Explorer