Where does “curstness” come from?

curstness (English) comes from English curst, from English cursed, from Middle English cursed, from Middle English cursen, from Old English corsian.

curstness (English): Obsolete form of cursedness

Definitions

  1. Obsolete form of cursedness

Ancestry of “curstness”, step by step

curstness traces back through two separate lines of ancestry.

via English curst

StepLanguageWordMeaning
1EnglishcurstArchaic spelling of cursed; Archaic spelling of...
2EnglishcursedUnder some divine harm, malady, or other curse;...
3Middle Englishcursedaccursed
4Middle Englishcursen
5Old Englishcorsian

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 Old English corsianEvery word from Middle English cursenEvery word from Middle English cursed