Means "my father-in-law is dew" in Hebrew, derived from חָם (cham) meaning "father-in-law" and טַל (tal) meaning "dew". In the Old Testament this is the name of the wife of king Josiah, the mother of kings Jehoahaz and Zedekiah; she is mentioned in 2 Kings 23, 2 Kings 24, and Jeremiah 52.