Yiddish is a compound of Hebrew and which other language
Yiddish the Sephardic counterpart to Yiddish, Judaeo-Spanish or "Ladino", is printed in Hebrew script.) The Western Yiddish dialect—sometimes pejoratively labeled "Mauscheldeutsch", i. e. "Moses German"—declined in the 18th century, as the Age of Enlightenment and the "Haskalah" led to a view of Yiddish as a corrupt dialect. A "Maskil" (from the same root word as "Haskalah") would write about and promote acclimatization to the outside world. Jewish children began attending secular schools where the primary language spoken and taught was German, not Yiddish. Owing to both assimilation to German and the revival of Hebrew, Western Yiddish survived only as a language
Revival of the Hebrew language of grassroots pioneers, and above all, of the transformation of the Jews into a Hebrew nation with its own land. Yiddish was degradingly referred to as a jargon, and its speakers encountered harsh opposition, which finally led to a Language War between Yiddish and Hebrew. Nonetheless, Ghil'ad Zuckermann believes that "Yiddish is a primary contributor to Israeli Hebrew because it was the mother tongue of the vast majority of language revivalists and first pioneers in Eretz Yisrael at the crucial period of the beginning of Israeli Hebrew". According to Zuckermann, although the revivalists wished to speak Hebrew with Semitic grammar