Where does “σιγιλλᾶτος” come from?

σιγιλλᾶτος (Greek) comes from Latin sigillatum, from Latin sigillo, from Latin sigillum, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

Ancestry of “σιγιλλᾶτος”, step by step

σιγιλλᾶτος traces back through two separate lines of ancestry.

via Latin sigillatum

StepLanguageWordMeaning
1Latinsigillatumnominative neuter singular of sigillātus;...
2LatinsigilloI seal; I confirm; dative singular of sigillum
3Latinsigillumfigurine, statuette; seal
4Latin-lusAlternative form of -ulus; diminutive suffix
5Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
6Proto-Indo-European-e-lós
7Proto-Indo-European-lósForms agent nouns from verbal roots

via Latin sigillatus

StepLanguageWordMeaning
1Latinsigillatussealed

Words derived from “σιγιλλᾶτος

Every word from Proto-Indo-European -lósEvery word from Latin -lusEvery word from Latin sigillum