The article deals with etymological hermeneutics of proper names as method of determining of approximate dating of a text. as well as of its content and intention of its authors or editors. The author of the article illustrates this method on example of an etymological analysis of proper names of personnages of the legend about Shem. Ham and Japheth (Gen 9. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/