Where does “ufok” come from?

ufok (Polish) comes from Polish -ok, from Polish -ak, from Old Polish -ak, from Proto-Slavic -akъ — Deadjectival, forming nouns denoting a carrier of...

ufok (Polish): alien, ET, extraterrestrial, LGM, little green man, space alien

Definitions

alien, ET, extraterrestrial, LGM, little green man, space alien

Ancestry of “ufok”, step by step

Step	Language	Word	Meaning
1	Polish	-ok	forms masculine nouns, sometimes with a derogatory connotation
2	Polish	-ak	used to form demonyms; used to form various...
3	Old Polish	-ak	used to form nouns
4	Proto-Slavic	-akъ	Deadjectival, forming nouns denoting a carrier of...

Every word from Proto-Slavic -akъ →Every word from Polish -ak →Every word from Polish -ok →