There is an acronym for the liquids that make things able to be made ritually impure. The Halacha is in order for fruit and the like to be made ritually impure it has to be made wet with these ...
Nobody knows for certain who authored Sefer Kol Bo (ספר כל-בו), and various theories exist as to who, and when, it might have been. (For a brief example of such theories, see here). Likely it was in ...
I have heard it said before that Chazal (חז"ל = חכמינו זכרונם לברכה; "our sages of blessed memory") refers to sages of the Mishna and Gemara, while Razal (רז"ל = רבנים/נו זכרונם לברכה; "our/the ...
Does גפ״ת (which stands for גמרא, פרש״י, תוספות) have a conventional pronunciation, as do שליט״א ("shlita"), תנ״ך ("tanakh"), etc.?
In conjunction with this question I would like to know if the popular abbreviation for the Jewish year 5774 commonly written as תשע״ד may be used in legal documents and if so why.