ructus
From LSJ
ἂν βούλησθε ἀκούειν καί μοι περιουσία ᾖ τοῦ ὕδατος → if you care to hear and if the water in the water-clock holds out, if you care to hear and if I have time enough for speaking
Latin > English (Lewis & Short)
ructus: ūs, m. rugo, whence also ructo and erugo,
I a belching, eructation, rising of the stomach (class. in <number opt="n">sing.</number> and <number opt="n">plur.</number>): exhalas acidos ex pectore ructus, Lucil. ap. Non. 164, 33: suavis ructus mihist, Plaut. Ps. 5, 2, 9; Cic. Fam. 9, 22, 5; Cels. 4, 5 fin.: foedi pestilentesque ructus, Sen. Ep. 95, 25; Plin. 20, 12, 48, § 122; 20, 17, 66, § 174; Mart. 1, 88, 4 al.