R' Michael Hamm wrote: > Caveat. Motzo'ei YK is considered a YT in Yekke-land. R' Ira L. Jacobson challeneged: > Assur bemelakha? Qiddush? The first use (AFAIK) of the phrase "Yom Tov" is in Megilas Esther, in reference to Purim. Akiva Miller