köken: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwís Proto-Italic *dwis Old Latin duis Early Medieval Latin bis Proto-Indo-European *pekʷ- Proto-Indo-European *-eti Proto-Indo-European *pékʷeti Proto-Italic *kʷekʷō Early Medieval Latin coquō Early Medieval Latin coctus Early Medieval Latin biscoctus Old French bescuit Middle French biscuit French biscuitbor. Polish biskwit Borrowed…