Skirt
Middle English: from Old Norse skyrta ‘shirt’; compare with synonymous Old English scyrte, also with short. The verb dates from the early 17th century.
wiktionary
From Middle English skyrte, from Old Norse skyrta, from Proto-Germanic *skurtijǭ. Doublet of shirt. Cognate with Saterland Frisian Skoarte(“apron”), Dutch schort(“apron”), German Schürze(“apron”), Danish skørt(“skirt”), Swedish skört(“hem of a jacket”), Norwegian skjørt(“skirt”).
etymonline
skirt (n.)
early 14c., "lower part of a woman's dress," from Old Norse skyrta "shirt, a kind of kirtle;" see shirt. Sense development from "shirt" to "skirt" is possibly related to the long shirts of peasant garb (compare Low German cognate Schört, in some dialects "woman's gown"). Sense of "border, edge" (in outskirts, etc.) first recorded late 15c. Metonymic use for "women collectively" is from 1550s; slang sense of "young woman" is from 1906; skirt-chaser first attested 1942.
skirt (v.)
c. 1600, "to border, form the edge of," from skirt (n.). Meaning "to pass along the edge" is from 1620s. Related: Skirted; skirting.
