Lewis Short
(adjective) : subjunctīvus, a, um, subjungo
* Of or belonging to binding together, connecting; in the later gram. lang., modus, the subjunctive mood, Diom. p. 331 P.; Prisc. p. 820 ib. al.: conjunctiones, e. g. si, cum, antequam, etc.,Charis. p. 200 sq. P.: vocales,Prisc. 561 ib.
Charlton T. Lewis, Charles Short, A Latin Dictionary