Where does “crestedness” come from?

crestedness (English) comes from English Ness, from Middle English nesse, from Old English næs, from Proto-Germanic nasją, from Proto-Indo-European néh₂s — nose.

crestedness (English): The property of being crested

Definitions

  1. The property of being crested

Ancestry of “crestedness”, step by step

crestedness traces back through two separate lines of ancestry.

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

via English crested

StepLanguageWordMeaning
1EnglishcrestedHaving a crest, or ornamental tuft or plume;...
Every word from Proto-Indo-European néh₂s