What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
A predominantly left-wing Zionist labour movement which first emerged in Russia around the turn of the 20th cent.; any of various left-wing Zionist organizations associated with this movement.
Early 20th century. From Hebrew pōʿălē ṣīyōn, lit. ‘workers of Zion’ from pōʿălē (plural construct case of pōʿēl worker, use as noun of present participle of paʿal to work) + ṣīyōn.