וויסנשאַפֿט (Yiddish) comes from Yiddish וויסן, from Middle High German wiȥȥen, from Old High German wiȥȥan, from Proto-West Germanic wītan, from Proto-Germanic *witaną, from Proto-Indo-European wóyde, from Proto-Indo-European weyd- — to see.
וויסנשאַפֿט (Yiddish): science