Where does “erringly” come from?

erringly (English) comes from English erring, from English err, from Middle English erren, from Old French errer, from Latin errantem, from Latin errō, from Proto-Italic erzāō, from Proto-Indo-European h₁ers- — to flow.

erringly (English): In an erring manner; with mistakes or sins

Definitions

  1. In an erring manner; with mistakes or sins

Ancestry of “erringly”, step by step

erringly traces back through two separate lines of ancestry.

via English erring

StepLanguageWordMeaning
1Englisherringpresent participle of err; The act of one who...
2EnglisherrTo make a mistake; To sin; to stray
3Middle Englisherren
4Old Frencherrerto walk (to); to wander (to)
5Latinerrantemaccusative masculine singular of errāns;...
6Latinerrōto wander, rove, stray, roam
7Proto-Italicerzāōroam, wander; go astray, waver
8Proto-Indo-Europeanh₁ers-to flow

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁ers-Every word from Proto-Italic erzāōEvery word from Latin errō