Where does “sinfully” come from?

Sinfully derives from English sinful plus the Middle English adverbial suffix -ly, ultimately from Old English synn meaning transgression and the adjective-forming suffix -līċ.

sinfully (English): In a sinful manner; wickedly; To an extent or...

Definitions

  1. In a sinful manner; wickedly; To an extent or...

Ancestry of “sinfully”, step by step

StepLanguageWordMeaning
1Englishsinfulconstituting a sin; being morally or religiously...
2Middle EnglishsynfulSinful; having sinned, guilty of sin
3Old Englishsynfulsinful; a sinner
4Old Englishsynnsin
5Proto-West Germanicsunnjuresponsibility; care; concern; worry; anxiety
6Proto-Germanicsunjōtruth, sooth; denial, protest
7Proto-Indo-Europeanh₁s-ónt-ih₂
8Proto-Indo-Europeanh₁sóntsactive participle of *h₁ésti; being, existence;...
9Proto-Indo-Europeanh₁ēs-to be
Every word from Proto-Indo-European h₁ēs-Every word from Proto-Indo-European h₁sóntsEvery word from Proto-Indo-European h₁s-ónt-ih₂