Words: An F-word etymology

This extensive discussion of the F word also gives the word in many world languages.

(I'm posting this find after a ten-minute tear researching the word neak, as in "Neak off!" which is frequently used by Magda Szubanski's character in Crocodile Hunter: Collision Course, one of my youngest son's favorite movies. Neak turns out to be the F word in Arabic.)