Where does “unconveniently” come from?

unconveniently (English) comes from English unconvenient, from English convenient, from Middle English convenient, from Latin conveniēns — convening, meeting.

Ancestry of “unconveniently”, step by step

unconveniently traces back through two separate lines of ancestry.

via English unconvenient

StepLanguageWordMeaning
1EnglishunconvenientArchaic form of inconvenient
2EnglishconvenientServing to reduce a difficulty, or accessible...
3Middle Englishconvenient
4Latinconveniēnsconvening, meeting

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Latin conveniēnsEvery word from Middle English convenientEvery word from English convenient