ientaculum
From LSJ
Ἡ γὰρ σιωπὴ τοῖς σοφοῖσιν ἀπόκρισις → Silentiumque sapienti est responsio → Denn Schweigen ist für Weise deutlicher Bescheid
Latin > English (Lewis & Short)
jentācŭlum: i, n. jento,
I a breakfast, taken immediately after rising, by children, valetudinarians, etc. (whereas the prandium was not taken till towards noon): epulas interdum quadrifariam dispertiebat: in jentacula et prandia et cenas comissationesque, Suet. Vit. 13; Mart. 14, 233: me inferre Veneri vovi jam jentaculum, Plaut. Curc. 1, 1, 72.