שֹׁרֶרshôrer

navel-string (Ezekiel 16:4; Proverbs 3:8; Song of Solomon 7:3)

Pronunciation: sho'-rer · Hebrew/Aramaic (Old Testament) · H8326

Same root

שָׁרַרshârar · H8324to be hostile (only active participle an opponent)
שֹׁרshôr · H8270a string (as twisted ), i.e. (specifically) the umbilical cord (also figuratively, as the centre of strength)
שָׁרִירshârîyr · H8306a cord, i.e. (by analogy) sinew

Where it appears

Appears 1 times in the Bible.

Song of Solomon 7:2 Your navel is perfectly formed like a goblet filled with mixed wine. Between your thighs lies a mound of wheat bordered with lilies.

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).