What does subsigillātus mean in Latin?

subsigillātus, a adjective, means “sealed (under a seal)”.

Where does subsigillātus come from?

Proto-Indo-European *upó → Proto-Italic *supo → Latin subsigillātus.

adjectivefirst/second-declension adjective

subsigillātus (feminine subsigillāta, neuter subsigillātum)

singular
form	masculine	feminine	neuter
nominative	subsigillātus	subsigillāta	subsigillātum
genitive	subsigillātī	subsigillātae	subsigillātī
dative	subsigillātō	subsigillātae	subsigillātō
accusative	subsigillātum	subsigillātam	subsigillātum
ablative	subsigillātō	subsigillātā	subsigillātō
vocative	subsigillāte	subsigillāta	subsigillātum

plural
form	masculine	feminine	neuter
nominative	subsigillātī	subsigillātae	subsigillāta
genitive	subsigillātōrum	subsigillātārum	subsigillātōrum
dative	subsigillātīs	subsigillātīs	subsigillātīs
accusative	subsigillātōs	subsigillātās	subsigillāta
ablative	subsigillātīs	subsigillātīs	subsigillātīs
vocative	subsigillātī	subsigillātae	subsigillāta

Latin sub- Latin sigillatus Latin subsigillātus From sub- + sigillatus.