From weg + spoelen. <span class="searchmatch">wegspoelen</span> to wash away, to flush away...
Cantonese: 沖走 / 冲走 (cung1 zau2) Mandarin: 沖走 / 冲走 (zh) (chōngzǒu) Dutch: <span class="searchmatch">wegspoelen</span> (nl) Finnish: huuhtoa (fi) German: wegspülen (de) Hungarian: elmos (hu)...