ussīsaka

the head of a bed, a pillow for the head Ja.i.266; Ja.ii.410, Ja.ii.443; Ja.iv.154; Ja.v.99; Ja.vi.32 Ja.vi.37, Ja.vi.56; Dhp-a.i.184 (˚passe, opp. pāda-passe).

ud + sīsa + ka