Reference for Genesis 38:3

וַתַּ֖הַר וַתֵּ֣לֶד בֵּ֑ן וַיִּקְרָ֥א אֶת־שְׁמ֖וֹ עֵֽר׃

And she conceived, and bore a son; and he called his name Er.

BDB

BDB