oenŏthēra

ae, f.
I. a plant, the juice of which, drunk in wine, produces sleep: onothera, sive onear, hilaritatem afferens in vino, Plin. 26, 11, 69, § 111; acc. onothurim, id. 24, 17. 102, § 167; 26, 14, 87, § 146.
Lewis & Short
A Latin Dictionary, 1879
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