Past tense of foam; created or produced foam, or became full of foam and bubbles.
From Old English 'famian' (to foam), related to Old High German 'feim' and Latin 'spuma', all describing the frothy bubbles created by agitation or fermentation.
The verb 'foam' appears in old descriptions of wild horses and angry dogs—'the horse foamed at the mouth'—which is why foam carries associations with strength, danger, and excitement in literature.
Complete word intelligence in one call. Free tier — 50 lookups/day.