一切經音義 35.134

35.134

珿頭（楚六反或從立作䇍廣雅珿齊之等也或從石作𥒭並通從玉足聲）。

Even tops (珿頭: fanqie [chǔ liù] (chu-liu / chù); also written under 立 as 䇍; the Guangya says chù means aligned, equal; also written under 石 as 𥒭, both are acceptable; classified under 玉 with 足 as phonetic).