tzev isn't a Hebrew word. Maybe you meant:
bar tzav (בר צב) = "son of a turtle"
bar ze'ev (בר ×–×ב) = "son of a wolf"
bar zav (בר זב) = "son of a man rendered impure because of a urethral secretion"
The word Bar Mitzvah (בר מצוה) is a Hebrew word. Bar is technically Aramaic, but it's commonly used in Hebrew.The Bar Mitzvah ceremony, which is actually just an ordinary Torah service, is entirely in Hebrew.
Bar Abba. has written: 'Meshalim' -- subject(s): Fables, Hebrew, Hebrew Fables
bar-EE בריא
moht barzel (מוט ברזל)
"Bar" is an Aramaic word meaning "son". The Hebrew world for son is "ben". The reason for "Bar" in "Bar Mitzvah" is that ceremony came into existence when Jews still corresponded in Aramaic.
Barrabas was one of the Jews on trial with Jesus Christ. his Hebrew name is "Bar Abba", בר-אבא, meaning "father's son"
midbar (מדבר), which is one word, means desert.
Yes
It is decided based on the time of year the Bar or Bat Mitzvah occurs, based on the Hebrew calendar.
The term from Hebrew is usually spelled bar mitzvah(Jewish rite of manhood).
Too many: Bar exam, bar mitzvah, bar rail, bar mill, for example. Each of these uses the word bar to mean a completely different thing: The bar (lawyers), bar (a Hebrew word), a bar where you drink, and either a grinding mill that uses metal bars or a mill that makes metal bars.
Abraham Isaac Katsh has written: 'The Antonin genizah in the Saltykov-Schedrin Public Library in Leningrad' -- subject(s): Catalogs, Manuscripts, Hebrew, Genizah, Hebrew Manuscripts 'Catalogue of Hebrew manuscripts preserved in the USSR' -- subject(s): Catalogs, Manuscripts, Hebrew, Manuscripts on microfilm, Facsimiles, Cairo Genizah, Hebrew Manuscripts 'Judaism in Islam' 'Hebrew in American higher education' -- subject(s): Civilization, Comparative Literature, English and Hebrew, Hebrew and English, Hebrew language, Hebrew literature, Jews, Literature, Comparative, Study and teaching, Universities and colleges 'Bar Mitzvah illustrated' -- subject(s): Bar mitzvah, Judaism 'Hebrew language' -- subject(s): Study and teaching, Hebrew philology 'Hebrew and Judeo-Arabic MSS in the collections of the USSR'