Uppilavati & Uplavati

1. to emerge (out of water), to rise, float SN.iv.313 (uplava imper.); Mil.80, Mil.379; Vv-a.47 (uplavitvā, variant reading uppalavitvā); DN-a.i.256 (variant reading upari lavati).
2. to jump up frisk about, to be elated or buoyant Ja.ii.97 (cp. Morris J.P.T.S. 1887, 139); Mil.370
   ■ See also upaplavati uplāpeti & ubbillāvita etc.

Sk. utplavati, ud + plu, cp. utplutya jumping up, rising Sp. Avs.i.209