Where does “unthoroughly” come from?

unthoroughly (English) comes from English unthorough, from English Un-, from Middle English un-, from Old English un-, from Proto-West Germanic un-, from Proto-Germanic un-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

unthoroughly (English): In an unthorough way

Definitions

  1. In an unthorough way

Ancestry of “unthoroughly”, step by step

unthoroughly traces back through two separate lines of ancestry.

via English unthorough

StepLanguageWordMeaning
1EnglishunthoroughNot thorough
2EnglishUn-not
3Middle Englishun-
4Old Englishun-negation or absence of: un-, non-; bad; forms...
5Proto-West Germanicun-not, un-
6Proto-Germanicun-not, un-
7Proto-Indo-Europeann̥-not, un-
8Proto-Indo-Europeannenot

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European neEvery word from English Un-Every word from Proto-Indo-European n̥-