一切經音義 15.187

15.187

倚枕（上依里反下之荏反案倚枕者以錦綺繒綵作囊盛耎物貴人置之左右或倚或憑名為倚枕也）。

Bolster (倚枕: the upper character is y[ī]-lǐ [fǎn]; the lower character is zh[ī]-rěn [fǎn]. As for a bolster (倚枕), it is a pouch made of brocade, damask, or patterned silk filled with soft materials, placed on the left and right by persons of rank, used to lean or recline upon; hence it is called a bolster).