Where does “lèche-cul” come from?

lèche-cul (French) comes from French cul, from Middle French cul, from Old French cul, from Latin cūlus, from Proto-Celtic kūlos, from Proto-Indo-European ḱuH-ló-, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

lèche-cul (French): ass-licker US, arse-licker UK

Definitions

  1. ass-licker US, arse-licker UK

Ancestry of “lèche-cul”, step by step

lèche-cul traces back through two separate lines of ancestry.

via French cul

StepLanguageWordMeaning
1Frenchculbutt, bum, ass, arse; anus; arsehole; asshole;...
2Middle Frenchcularse; ass; anus
3Old Frenchculbottom; the buttock
4Latincūlusthe arse, ass
5Proto-Celtickūloscorner
6Proto-Indo-EuropeanḱuH-ló-
7Proto-Indo-European(s)kewH-to cover, bedeck; cover

via French lécher

StepLanguageWordMeaning
1Frenchlécherto lick; to polish, to refine
2Middle Frenchlecher
3Old Frenchlechier
4Vulgar Latin*liccāre
5Proto-West Germaniclikkōnto lick
6Proto-GermaniclekanąTo leak; seep; drip
7Proto-Indo-Europeanleg-to leak
Every word from Proto-Indo-European (s)kewH-Every word from Proto-Indo-European ḱuH-ló-Every word from Proto-Celtic kūlos