plash
v.
1
"to splash," 1580s, from plash, n. and also imitative (compare Dutch plassen, German platschen). Related: Plashed; plashing.
2
"to interlace," late 15c., from Old French plaissier, from Latin plectere "to plait" (see complex, adj.). Related: Plashed; plashing.
n.
"small puddle, shallow pool, wet ground," Old English plæsc "pool of water, puddle," probably imitative (compare Dutch plass "pool"). Meaning "noise made by splashing" is first recorded 1510s.