linguarium
From LSJ
Ζήσεις βίον κράτιστον, ἢν θυμοῦ κρατῇς → Vives bene, si sis vacuus iracundia → Am besten lebst du, wenn du deinen Zorn beherrschst
Latin > English (Lewis & Short)
linguārĭum: ĭi, n. lingua,
I tonguemoney; a comic expression to denote a penalty for rash sayings: linguarium dare, Sen. Ben. 4, 36, 1.