Where does “bú cu” come from?

bú cu (Vietnamese) comes from Vietnamese cú, from French coup, from Old French colp, from Latin colpus, from Ancient Greek κόλπος, from Proto-Indo-European kʷelp-, from Proto-Indo-European kʷel- — to turn.

bú cu (Vietnamese): to give a blowjob

Definitions

  1. to give a blowjob

Ancestry of “bú cu”, step by step

bú cu traces back through two separate lines of ancestry.

via Vietnamese

StepLanguageWordMeaning
1Vietnamesean owl; hoot; to knuckle one's head
2Frenchcoupblow, hit, strike; fast and instantaneous action;...
3Old Frenchcolpstrike; hit
4Latincolpusstroke; strike; hit
5Ancient Greekκόλποςbosom, lap; a fold in fabric around the bosom;...
6Proto-Indo-Europeankʷelp-to bend; to curve, arch
7Proto-Indo-Europeankʷel-to turn

via Vietnamese

StepLanguageWordMeaning
1Vietnameseto suck to consume milk
2Proto-Vieticbuːʔ
3Proto-Mon-Khmerʔbuuʔto suck at the breast, to suckle
Every word from Proto-Indo-European kʷel-Every word from Proto-Indo-European kʷelp-Every word from Ancient Greek κόλπος