hydropiper means water pepper; a knotweed of species Persicaria hydropiper (formerly Polygonum hydropiper). Lexicurio rates it Sui generis — a strength score of 89 out of 100.
Etymology
From Ancient Greek ὑδροπέπερι (hudropéperi).
noun
- Water pepper; a knotweed of species Persicaria hydropiper (formerly Polygonum hydropiper).