wallen

Meaning

1. to move violently, to seethe (of boiling liquid)
2. to roil (of the sea)
3. to undulate, to flutter, to palpitate
4. to move (somewhere) while undulating, to billow, to flow

Concepts

undulate

wave

corrugate

surge

boil

float

flow

flutter

ripple

Etymology

From Middle High German wallen, from Old High German wallan (“spin, twist, dance”), from Proto-West Germanic *wallan, from Proto-Germanic *wallaną. Cognate with English to well up.