Where does “Yiddishkeit” come from?

Yiddishkeit (English) comes from Yiddish ייִדישקייט, from Yiddish ייִדיש, from Yiddish ייִד, from Middle High German jüde, from Old High German judo, from Latin Iūdaeus, from Ancient Greek Ἰουδαῖος, from Ancient Greek Ἰουδά — Judas; Judah, Judas.

Yiddishkeit (English): Jewishness; the Jewish way of life, particularly...

Definitions

Jewishness; the Jewish way of life, particularly...

Ancestry of “Yiddishkeit”, step by step

Step	Language	Word	Meaning
1	Yiddish	ייִדישקייט	Judaism; Jewishness, Yiddishkeit
2	Yiddish	ייִדיש	Jewish; Yiddish
3	Yiddish	ייִד	a Jew
4	Middle High German	jüde	a Jew
5	Old High German	judo	—
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 →