Irgun Zvai Leumi - National Military Organization - underground resistance group founded 1931 - split from Hagana. Disbanded 1948, when the State of Israel was established.

(Hebrew) Acronym for "Irgun Tzva'i Leumi" - National Military Organization; Dissident (revisionist) Zionist terrorist group founded in reaction to Arab riots. Etzel conducted a number of terror operations against the British, alone or in cooperation with Lehi, as well as brutal bombings of Arab civilians.