köken: Probably originally a transcription of Sanskrit मोह (moha, “folly”), used as a cant term among monks. However, Sanskrit पाक (pāka, “naïve, foolish”) is more similar phonetically and grammatically. Alternatively, may have arisen from the same root as Old Japanese 痴 (woko, modern oko, “stupidity, ridiculousness”). However, this theory is problematic phonologically, as the /b/ ↔ /w/ shift is…