Is it ensure, insure, or assure?
masc. proper name, Biblical third son of Adam, literally "set, appointed," from Hebrew Sheth, from shith "to put, set." The Gnostic sect of Sethites (2c.) believed Christ was a reappearance of Seth, whom they venerated as the first spiritual man.
appointed; a substitute, the third son of Adam and Eve (Gen. 4:25; 5:3). His mother gave him this name, "for God," said she, "hath appointed me [i.e., compensated me with] another seed instead of Abel, whom Cain slew."
ancient Egyptian god, patron of the 11th nome, or province, of Upper Egypt.