to subside, to be eased, calmed, or abated to pass away, to be allayed SN.i.211; SN.v.51; aor. ˚ssambhi Dhp-a.ii.86 (dohaḷo); Dhp-a.iv.133 (ābādho)
pp paṭippassaddha (q.v.)
caus paṭippassambheti to quiet down, hush up, suppress, bring to a standstill, put to rest, appease Vin.i.49 (kammaṃ), Vin.i.144 (id.), Vin.i.331 (id.), Vin.ii.5 (id.), Vin.ii.226 (id.); MN.i.76; Ja.iii.28 (dohaḷaṃ).

paṭi + ppa + sambhati of śrambh. Note however that the BSk. is ˚praśrambhyati as well as ˚srambhyati, e.g. Mvu.i.253, Mvu.i.254; Divy.68, Divy.138 Divy.494, Divy.549, Divy.568