續一切經音義 6.203

6.203

為鞘（下霄曜反考聲云刀劒室也從革肖聲也或從韋作韒亦通）。

為鞘 (The second character has the fanqie xiao + yao; the Kaosheng says: “The case for a knife or sword.” It is composed of the leather radical (革) with xiao as phonetic. It is also written with the soft leather radical as 韒.)