Lewis Short
(verb) : summāno (subm-), āre, and
* N [sub-mano].
* Neutr., to glide or trickle under, Vitr. 8, 1, 2.
* Act., to wet somewhat: vestimenta mea, ubi obdormivi ebrius, Summano (with a play on the name Summanus, i. e. Pluto),Plaut. Curc. 3, 46 (v. the passage in connection).
Charlton T. Lewis, Charles Short, A Latin Dictionary