di manes

• diī mānēs, deī mānēs
• D·M

Originally from an ellipsis of dīs mānibus sacrum fēcit (“an offering made to the gods and the spirits of the dead”).

• (Classical Latin) IPA^(key): [ˈdiː ˈmaː.neːs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈd̪iː ˈmaː.nes]

dī mānēs m pl (genitive deōrum mānium or deum mānium); irregular, variously declined, second declension, third declension

1. the gods and the spirits of the dead

• Chiefly found at the beginning of funerary inscriptions in the dative form dīs mānibus (“to the gods and ancestors”), often abbreviated D·M.

Second-declension noun (irregular) with a third-declension noun (i-stem), plural only.