Gothic language
“Buñuelo” and all other variations of the word in Spanish and Judaeo-Spanish derive from the Old Spanish *boño/bonno, which itself derives from the Germanic Gothic language *𐌱𐌿𐌲𐌲𐌾𐍉 (*buggjō, “lump”), and ultimately from Proto-Indo-European *bʰenǵʰ (thick, dense, fat).