Lewis Short
(adjective) : ĭnĭtĭālis, e, id.
* Initial, incipient, original (post-class.).
* Adj.: elementorum origo initialis,App. M. 4, p. 156, 9: saeculorum progenies,id. ib. 11, p. 259: controversiae status, Aggen. ap. Front. de Limit. p. 63 Goes.
* Subst.: ĭnĭtĭāles, ium, m.plur., those who first assembled together in a collegium, Inscr. ap. Marin. Iscriz. Alb. p. 12.
Charlton T. Lewis, Charles Short, A Latin Dictionary