FromLatinsigillum.Doublet ofsigil andseal.
sigillum (pluralsigilla)
Fromsignum(“sign”) +-ulum(diminutive suffix) (*signolom >*sign̥lom >*siginlom >sigillum).
sigillum n (genitivesigillī);second declension
Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | sigillum | sigilla |
| genitive | sigillī | sigillōrum |
| dative | sigillō | sigillīs |
| accusative | sigillum | sigilla |
| ablative | sigillō | sigillīs |
| vocative | sigillum | sigilla |