votis XX

• (Classical Latin) IPA^(key): [ˈwoː.tiːs wiː.kɛnˈnaː.lɪ.bʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈvɔː.t̪is vi.t͡ʃenˈnaː.li.bus]

vōtīs XX

1. (coins) With vows made for twenty years of prosperity

The expression refers to the solemn promise of future sacrifices to the gods in exchange for fulfillment of the supplicant's request. Variously used to indicate a full twenty year period or to indicate a second set of ten year vows after the sacrifices made upon the completion of an initial set of vows.