Where does “self-assuredness” come from?

self-assuredness (English) comes from English self-assured, from English self-, from Middle English self-, from Old English seolf-, from Old English self-, from Old English self, from Proto-West Germanic *selb, from Proto-Germanic selbaz — self.

self-assuredness (English): The quality of being self-assured

Definitions

  1. The quality of being self-assured

Ancestry of “self-assuredness”, step by step

self-assuredness traces back through two separate lines of ancestry.

via English self-assured

StepLanguageWordMeaning
1Englishself-assuredconfident in one's own abilities
2Englishself-of, by, in or with oneself or itself; automatic
3Middle Englishself-
4Old Englishseolf-Alternative form of self-
5Old Englishself-self, oneself; own, one's own
6Old Englishselfself; oneself, personally
7Proto-West Germanic*selb
8Proto-Germanicselbazself
9Proto-Indo-Europeanselbʰ-one's own
10Proto-Indo-Europeans(w)e-separate, apart; separate; apart; oneself; one's...
11Proto-Indo-Europeanswéself

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 swéEvery word from Proto-Indo-European s(w)e-Every word from Proto-Indo-European selbʰ-