wallen

Εννοια (Αγγλικός)

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

Ετυμολογία (Αγγλικός)

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.