And Lamech took unto him two wives. Being the first polygamist of whom mention is made, the first by whom "the ethical aspect of marriage, as ordained by God, was turned into the lust of the eye and lust of the flesh" (Keil).
Though afterwards permitted because of the hardness of men's hearts, it was not so from the beginning. This was "a new evil, without even the pretext that the first wife had no children, which held its ground until Christianity restored the original law—Matt, Genesis 19:4-6" (Inglis).
The names of Lamech's wives were suggestive of sensual attractions. The name of the one Adah, the Adorned (Gesenius), and the name of the other Zillah, the shady or the tinkling (Keil), the musical player (Lange), the shadow (Wordsworth).
"Did Lamech choose a wife to gratify the eye with loveliness? and was he soon sated with that which is so short-lived as beauty, and then chose another wife in addition to Adah? But a second wife is hardly a wife; she is only the shadow of a wife" (ibid.
).