Most likely related to Hebrew
כֶּלֶב (kelev) meaning "dog". An alternate theory connects it to Hebrew
כָּל (kal) "whole, all of" and
לֵב (lev) "heart". In the Old Testament this is the name of one of the twelve spies sent by
Moses into Canaan. Of the Israelites who left Egypt with Moses, Caleb and
Joshua were the only ones who lived to see the Promised Land.
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