צִלָּהTsillâh

proper name, feminine: wife of Lamech (Genesis 4:19; Genesis 4:22; Genesis 4:23)

Pronunciation: tsil-law' · Hebrew/Aramaic (Old Testament) · H6741

Same root

צֵלtsêl · H6738shade, whether literal or figurative

Where it appears

Appears 3 times in the Bible.

Genesis 4:19 Lamech married two women. The first was named Adah, and the second was Zillah.
Genesis 4:22 Lamech’s other wife, Zillah, gave birth to a son named Tubal-cain. He became an expert in forging tools of bronze and iron. Tubal-cain had a sister named Naamah.
Genesis 4:23 One day Lamech said to his wives, “Adah and Zillah, hear my voice; listen to me, you wives of Lamech. I have killed a man who attacked me, a young man who wounded me.

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).