טָחַן קֶמַח טָחוּן

ביטוי (אנגלית)

Grind already-ground flour/ to rehash old ideas/ to platitudinize

הגדרה (אנגלית)

Figuratively: to repeat stale, well-known things; to add nothing new; to do something trivial and unnecessary. Slang: 'grind water'.

("It is said (Lamentations 1): 'The Lord has trodden as in a winepress the virgin daughter of Judah'... a bat kol went out and said to him: 'You have killed a slain people, you have burned a burned sanctuary, ground flour already ground' (i.e., 'you have killed a slain people, you have burned a burned sanctuary, you have ground flour already ground'), as it is said (Isaiah 47): 'Take the millstones and grind flour'" — Sanhedrin 96b, and likewise: "'A writer of original talent does not need to grind already-ground flour'" — Klausner / Creators and Builders 3, and likewise: "'This outlook... in itself is certainly nothing but ground flour... they grind and grind again in different ways'" — Ahad Ha'am / Servitude Within Freedom)