Genesis 25:2

וַ תֵּלֶד לֹו אֶת זִמְרָן וְ אֶת יָקְשָׁן וְ אֶת מְדָן וְ אֶת מִדְיָן וְ אֶת יִשְׁבָּק וְ אֶת שׁוּחַ

And she is bearing to-himself אֶת-Musical,^* and אֶת-Snare-Layer,^* and אֶת-Strife,^* and אֶת-Contentious,^* and אֶת-Left-Alone,^* and אֶת-Sunk.^*

^* Strong’s #3435, Yishbaq. From #7662 shebaq, He leaves, or let alone.