Genesis 30:8

Then Rachel said, "With great wrestlings I have wrestled with my sister, and indeed I have prevailed." So she called his name Naphtali.

Surrounding context

30:7 And Rachel's maid Bilhah conceived again and bore Jacob a second son.

30:8 Then Rachel said, "With great wrestlings I have wrestled with my sister, and indeed I have prevailed." So she called his name Naphtali.

30:9 When Leah saw that she had stopped bearing, she took Zilpah her maid and gave her to Jacob as wife.

Translation and sources