一切經音義 86.175

86.175

道躓（下知利反考聲正作疌礙不通也顧野王云躓頓也古今正字從足躓聲）。

Stumbling on the road (道躓; the second character is pronounced with the fanqie 知利. The Kaosheng writes it correctly as 疌, meaning obstructed and unable to pass. Gu Yewang says: "躓 means stumbling." The Gujin zhengzi gives it with the radical 足 and 躓 as phonetic).