μνίον
From LSJ
ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
English (LSJ)
τό,
A seaweed, Lyc.398, Agatharch.44,83, Str.16.4.7, Ael.NA 13.3, etc. [ῐ, Numen. ap. Ath.7.295c; ῖ, Nic.Al.396.]
German (Pape)
[Seite 196] τό, auch μνῖον, Nic. Al. 396, Meergras, Seemoos, wie βρύον; von einem Fische, γλαῦκον περόωντα κατὰ μνία σιγαλόεντα, Numen. bei Ath. VII, 295 b; Lycophr. 398.