pacalāyati

to make (the eyelid) waver, to wink, to be sleepy, nod, begin to doze AN.iii.343 AN.iv.344; AN.iv.85 (quot. at Dhs-a.236); Ja.i.384 (˚āyituṃ ārabbhi); Vism.300.

quasi-denom. or caus. fr. pacala, pa + cal, cp. daṇḍāyati and pacāleti