Where does “shirtiness” come from?

shirtiness (English) comes from English shirty, from English shirt, from Middle English schirte, from Old English sċyrte, from Proto-West Germanic skurtijā, from Proto-Germanic skurtijǭ — skirt, apron.

shirtiness (English): The state or characteristic of being shirty

Definitions

  1. The state or characteristic of being shirty

Ancestry of “shirtiness”, step by step

shirtiness traces back through two separate lines of ancestry.

via English shirty

StepLanguageWordMeaning
1EnglishshirtyIll-tempered or annoyed
2EnglishshirtAn article of clothing that is worn on the upper...
3Middle EnglishschirteAlternative form of sherte
4Old Englishsċyrtea short garment; skirt; kirtle
5Proto-West Germanicskurtijāskirt, apron
6Proto-Germanicskurtijǭskirt, apron

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-Germanic skurtijǭEvery word from Proto-West Germanic skurtijāEvery word from Old English sċyrte