BELTESHAZZAR (bĕl'tĕ-shăz-ar, Heb. beltsha tstsar, may Bel protect his life). The name given to the Hebrew prophet Daniel by Nebuchadnezzar’s steward (Dan.1.7; Dan.2.26; Dan.4.8; Dan.5.12). Not to be confused with Belshazzar (Dan.5.1ff.).
BELTESHAZZAR bĕl’ tĭ shăz’ ər (בֵּ֣לְטְשַׁאצַּ֗ר, LXX Βαλτασάρ; possibly to represent the Babylonian Balatusu-usur, meaning Protect his life). A Babylonian name ascribed to Daniel and used ten times in Daniel (not elsewhere in OT).
E. J. Young, The Prophecy of Daniel (1949).
International Standard Bible Encyclopedia (1915)
The Bah name given to Daniel (Da 1:7; 2:26; 5:12). Not to be confounded with Belshazzar.