What word has the most interesting etymological background?

Word

What word has the most interesting etymological background?

Which word has evolved the most? Which word has the most interesting evolution/story as to how it came about?

Word best answer:

Answer by andreashatz
I’d say that, as far as english words go, words based on initials, such as golf and f*ck, are quite interesting. That’s mostly a matter of taste, though…