יֶרַחYerach

proper name, masculine: 'son' of Joktan, only יָ֑רַךְ (Genesis 10:26; 1 Chronicles 1:20)

Pronunciation: yeh'-rakh · Hebrew/Aramaic (Old Testament) · H3392

Same root

יֶרַחyerach · H3391a lunation, i.e. month

Where it appears

Appears 2 times in the Bible.

Genesis 10:26 Joktan was the ancestor of Almodad, Sheleph, Hazarmaveth, Jerah,
1 Chronicles 1:20 Joktan was the ancestor of Almodad, Sheleph, Hazarmaveth, Jerah,

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).