כַּלְכֹּלKalkôl

proper name, masculine: one of the wise men whom Solomon surpassed (1 Kings 5:11; 1 Chronicles 2:6)

Pronunciation: kal-kole' · Hebrew/Aramaic (Old Testament) · H3633

Same root

כּוּלkûwl · H3557properly, to keep in; hence, to measure; figuratively, to maintain (in various senses)

Where it appears

Appears 2 times in the Bible.

1 Kings 4:31 He was wiser than anyone else, including Ethan the Ezrahite and the sons of Mahol—Heman, Calcol, and Darda. His fame spread throughout all the surrounding nations.
1 Chronicles 2:6 The sons of Zerah were Zimri, Ethan, Heman, Calcol, and Darda—five in all.

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).