Sancus

From Proto-Indo-European *seh₂k- (“to sanctify, to make a treaty”). See also Latin sanciō (“I decree”).

• (Classical Latin) IPA^(key): /ˈsan.kus/, [ˈs̠äŋkʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈsan.kus/, [ˈsäŋkus]

Sancus m sg (genitive Sancūs); fourth declension

1. (Roman mythology) A deity of the Sabines, worshipped also in Rome

Fourth-declension singular-only noun with second-declension dative.

• Semō

• “Sancus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• Sancus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.