Latin word decus comes from Proto-Indo-European - -os, and later Proto-Indo-European *déḱos (That which is proper.)
| Dictionary entry | Language | Definition |
|---|---|---|
| - -os | Proto-Indo-European (ine-pro) | |
| *déḱos | Proto-Indo-European (ine-pro) | That which is proper. |
| *dekos | Proto-Italic (itc-pro) | Dignity. |
| decus | Latin (lat) | (in plural) deeds of honor, honorable achievements. Grace, splendor, ornament, beauty. Honor, distinction, glory. Pride, dignity. |