the world > movement > motion in a certain direction > downward motion > causing to come or go down > [noun] > dipping or plunging into liquid
submersion?a1425
dippingc1440
indippinga1564
ducking1581
diving1614
immersion1658
plout1705
souse1793
a1564 T. BeconCertain Articles Christian Relig. in Prayers (Parker Soc.) 415 Julius the pope..doth utterly forbid such intinction or indipping, and commandeth that the cup should severally be taken by itself.