Lamech: a man's name of unknown meaning, borne by two men who lived before the flood, the boastful killer who closes Cain's family line and the father of Noah who closes Seth's
Two men before the flood carry this name, and nobody knows what it means. That is not a gap in popular knowledge but the settled verdict of the major Hebrew dictionaries, one of which prints the name with no definition at all. The three letters that make it up form no other word anywhere in Hebrew, so there is nothing inside the language to compare it with. Every proposed meaning has to be borrowed from a neighboring language, and the leading candidates (an Arabic word for a sturdy young man, an Akkadian title for a junior priest, a Sumerian name for the god of music) are each thin enough that no dictionary will commit to one. One respected study of the names in early Genesis suggests the name may have been built to sound archaic and strange even to ancient Hebrew ears.
The two men who bear it could hardly be less alike.
- The first stands at the end of Cain's family line: he takes two wives, fathers the men credited with herding, music, and metalwork, and sings a short, chilling poem boasting that he has killed a man for wounding him and that anyone who touches him will be avenged seventy-seven times over.
- The second stands at the end of Seth's family line: he fathers Noah, names the boy in hope that he will bring relief from the hard, cursed ground, and lives exactly 777 years.
Those numbers are the hinge. A boast of seventy-sevenfold vengeance in one family list and a lifespan of 777 years in the other are too close for readers to shrug off, and the two lists run parallel in other ways too, reaching a Lamech at the same pivot point. Many scholars conclude that the two lists preserve one older memory twice over; others read them as two real men whose shared name is the point, set deliberately against each other. Either way the finished text uses one repeated name to put violence beside hope.
Later Jewish writers seized on the quieter Lamech and made him a full character. In the Dead Sea Scrolls and in the book of 1 Enoch he panics that his newborn son, whose body shines, was fathered by an angel, and sends his own father off to fetch Enoch for reassurance before he will accept the child as his. The New Testament keeps the same name in Greek (Λάμεχ) when it traces Jesus' ancestry back through Noah's father.