Past tense of 'flyblow'; to lay eggs in something, especially meat, causing it to decay.
From 'fly' + 'blew', past tense of 'blow'. Medieval term from when people observed flies depositing eggs on rotting meat.
Medieval cooks discovered that flies 'flyblew' meat—literally blew eggs into it—which solved the mystery of why meat suddenly spawned maggots, a discovery that fascinated and horrified them.
Complete word intelligence in one call. Free tier — 50 lookups/day.