Where does “prati” come from?

prati (Middle English) comes from Old English prættiġ, from Proto-Germanic prattugaz, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

Ancestry of “prati”, step by step

StepLanguageWordMeaning
1Old Englishprættiġtricky, crafty, sly, cunning, wily, astute
2Proto-Germanicprattugazboastful, sly, slick, deceitful, tricky, cunning
3Proto-Germanic-gaz-y
4Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -ḱos →Every word from Proto-Germanic -gaz →Every word from Proto-Germanic prattugaz →