Where does “žiidalain” come from?

žiidalain (Ingrian) comes from Russian жид, from Old East Slavic жидъ, from Proto-Slavic židъ, from Proto-Slavic židovinъ, from Italian giudeo, from Latin Iūdaeus, from Ancient Greek Ἰουδαῖος, from Ancient Greek Ἰουδά — Judas; Judah, Judas.

Ancestry of “žiidalain”, step by step

Step	Language	Word	Meaning
1	Russian	жид	Jew, yid, kike; niggard; miser
2	Old East Slavic	жидъ	Jew
3	Proto-Slavic	židъ	Jew; giant, mythical person
4	Proto-Slavic	židovinъ	—
5	Italian	giudeo	Jewish; Synonym of giudio; Jew
6	Latin	Iūdaeus	Jewish, of or pertaining to the Jewish people
7	Ancient Greek	Ἰουδαῖος	Jew or Judean
8	Ancient Greek	Ἰουδά	Judah
9	Hebrew	יְהוּדָה	Judas; Judah, Judas

Every word from Hebrew יְהוּדָה →Every word from Ancient Greek Ἰουδά →Every word from Ancient Greek Ἰουδαῖος →