אֲדֹנִיקָםʼĂdônîyqâm

proper name, masculine: head of a family (Ezra 2:13; Ezra 8:13; Nehemiah 7:18; Nehemiah 10:17)

Pronunciation: ad-o-nee-kawm' · Hebrew/Aramaic (Old Testament) · H140

Same root

אָדוֹןʼâdôwn · H113sovereign, i.e. controller (human or divine)
קוּםqûwm · H6965to rise (in various applications, literal, figurative, intensive and causative)

Where it appears

Appears 3 times in the Bible.

Ezra 2:13 The family of Adonikam 666
Ezra 8:13 From the family of Adonikam, who came later: Eliphelet, Jeuel, Shemaiah, and 60 other men.
Nehemiah 7:18 The family of Adonikam 667

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).