ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
sēdāmen: ĭnis, n. sedo, II.,
I a means of allaying, an allayment, sedative: mali (mors), Sen. Hippol. 1188.
sēdāmĕn,¹⁶ ĭnis, n. (sedo), adoucissement : Sen. Phædra 1188.