Where does “sinlessness” come from?

Sinlessness is derived from Middle English -nesse, Old English -nes, and Proto-Germanic -inassuz, ultimately from Proto-Germanic -inōną meaning to make or cause.

sinlessness (English): The state or condition of being sinless

Definitions

  1. The state or condition of being sinless

Ancestry of “sinlessness”, step by step

sinlessness traces back through two separate lines of ancestry.

via English sinless

StepLanguageWordMeaning
1EnglishsinlessWithout sin; never having sinned
2Middle Englishsynnelessinless lacking sin, innocent
3Old Englishsynlēaswithout sin; sinless
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

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European h₁ēs-