sion

πεσεῖν ἐς τὸ μὴ τελεσφόρον → fall fruitless to the ground, fall powerless to the ground

Latin > English (Lewis & Short)

sĭon: ii, n., = σίον,
I water - parsley: Sium latifolium, Linn.; Plin. 26, 8, 56, § 88; 22, 22, 41, § 84.