pistana
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
Latin > English (Lewis & Short)
pistāna: ae, f., for sagitta,
I a plant, arrow-head, Plin. 21, 17, 68, § 111.
Latin > French (Gaffiot 2016)
pistāna, æ, f., sorte de plante marécageuse [sagittaire, flèche d’eau ?] : Plin. 21, 111.
Latin > German (Georges)
pistāna, ae, f. = sagitta, das Pfeilkraut, Plin. 21, 111.