also in Latin form Belus, heaven-and-earth god of Babylonian religion, from Akkadian Belu, literally "lord, owner, master," cognate with Hebrew ba'al (see Baal).
"beautiful," early 14c., from Old French bel, belle "beautiful, fair, fine," from Latin bellus "fair, fine, beautiful" (see belle). "Naturalized in ME.; but after 1600 consciously French" [OED].
unit of power level in measuring sound, 1929, named for Scottish-born telephone pioneer Alexander Graham Bell (1847-1922).