Victorious

google

ref

late Middle English: from Anglo-Norman French victorious, from Latin victoriosus, from victoria (see victory).

wiktionary

ref

Borrowed from Latin victōriōsus, from victōria(“victory”), from victor(“conqueror”). Displaced native Old English siġefæst.

etymonline

ref

victorious (adj.)

late 14c., from Anglo-French victorious and directly from Late Latin victoriosus "having many victories," from victoria "victory" (see victory). Related: Victoriously; victoriousness.