Q. carpassë, n. “mouth-system; full organized language, including system, vocabulary, metre, etc.”

Reference ✧ PE17/126.1413karpasse “mouth-system; a full organized language, including system, vocabulary, metre, etc.”

Elements

carpa “(entire) mouth; phonetic system” ✧ PE17/126.1305 (karpa)
*-ssë² “abstract noun”