The story
- Old English · inherited fromsteort“tail”
- Middle English · inherited fromstert naked
- English todaystark naked
From Middle English stert naked (steort nakt, sternaked, star naked); the first element is from Old English steort (“tail”). The change from "start-naked" to "stark-naked" was most likely by folk etymology due to a misinterpretation of the phrase as being a way of saying "starkly naked" ("strongly naked, harshly naked"). The opposite change has shifted buck naked to butt naked in colloquial modern English.
Words from the same roots
Old Englishsteort all →
Etymology from Wiktionary, CC BY-SA 4.0.