Strong’s Dictionary of Hebrew Words:
Meaning:
from an unused root of uncertain meaning; Lemek, the name of two antediluvian patriarchs
Jackson’s Dictionary of Scripture Proper Names:
why thus with thee?: unto bringing low
Potts’ Bible Proper Names:
Healthy; strong; overthrower:―name of two antediluvian patriarchs, Gen. 4:18. {Validus; robustus}