Where does “искариотьскъ” come from?

искариотьскъ (Old Church Slavonic) comes from Ancient Greek Ἰσκαριώτης, from Latin sīcārius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “искариотьскъ”, step by step

StepLanguageWordMeaning
1Ancient GreekἸσκαριώτηςIscariot, a byname of the biblical Judas, one of the apostles of Jesus of Nazareth in the gospels of the Christian Bible
2Latinsīcāriusassassin, contract killer, murderer
3Latin-āriuser
4Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

Words derived from “искариотьскъ

Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Latin sīcārius