köken: Probably a back-formation from arslet, definite form of arsel, with the same meaning, from an Old Swedish contraction of ars (cognate with English arse) + hol, hul (cognate with English hole), identical to English arsehole.
köken: Inherited from Proto-Slavic *bъlbъ, from Proto-Indo-European *stl̥b-, an ablaut variant of *stelb (“post, pole, jamb”) (whence also stilbs, q.v.), from *stel- (“to put in a standing position, to erect; standing, immobile, stiff”) with an extra b. The semantic evolution was probably: “motionless, stiff” > “surprised, stunned” > “stupid”. Cognates include Old Irish borb (“foolish, silly”), Latvian…
köken: Inherited from Latin culus. Compare Italian culo, French cul.
aile: băga un deget în cur, cădea în cur, căuta și în cur, cur obraznic, curist, da cu curul, da din cur, fără cur în pantaloni, fi cu curul în sus, fi cu morcovul în cur
köken: Inherited from Proto-Slavic *ritь, from Proto-Indo-European.
aile: ritný, ritka
Etimoloji
The word has been existing and even used as an insult since the 17th century. The etymology of the colloquial sense which derived from backslang of pa-cool, from pa- + English cool, literally “trying to be cool” may be false.