nasturtĭum — Lewis & Short
nasturtĭum, ii, n.nasi-tortium,
I a kind of cress:
nasturtium nomen accepit a narium tormento,Plin. 19, 8, 44, § 155; cf. id. 20, 13, 50, § 127:
(Persas) negat Xenophon ad panem adhibere quicquam praeter nasturtium,Cic. Tusc. 5, 34, 99; poet. in plur., Verg. M. 84; Col. poët. 10, 231.