Strong's Hebrew #4428
mal·ḵu·ṯōw

Englishman's Concordance (References)

1 Kings 2:12
HEB: אָבִ֑יו וַתִּכֹּ֥ן מַלְכֻת֖וֹ מְאֹֽד׃
INT: his father established king was firmly