sponsalicius
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
Latin > English (Lewis & Short)
sponsālīcĭus: or -tĭus, a, um, adj. sponsalia,
I of or belonging to betrothal, spousal (post-class.): arrha, Cod. Just. 5, 1, 5; 5, 2, 1: donatio, Sid. Ep. 7, 2 med.>
Latin > French (Gaffiot 2016)
spōnsalĭcĭus, a, um, de fiançailles : Sid. Ep. 7, 2.
Latin > German (Georges)
spōnsālicius, a, um (sponsalia), zur Verlobung gehörig, Verlobungs-, arra, Cod. Iust. 5, 1, 5. § 3 u. 5, 2 pr.: donatio, Cod. Iust. 6, 61, 5. § 1. Sidon. epist. 7, 2.