אֲמַןʼăman

Haph`el: trusty, trustworthy (Daniel 6:24; Daniel 6:5; Daniel 2:45)

Pronunciation: am-an' · Hebrew/Aramaic (Old Testament) · H540

Same root

אָמַןʼâman · H539properly, to build up or support; to foster as a parent or nurse; figuratively to render (or be) firm or faithful, to trust or believe, to be permanent or quiet; morally to be true or certain;

Where it appears

Appears 3 times in the Bible.

Daniel 2:45 That is the meaning of the rock cut from the mountain, though not by human hands, that crushed to pieces the statue of iron, bronze, clay, silver, and gold. The great God was showing the king what will happen in the future. The dream is true, and its meaning is certain.”
Daniel 6:4 Then the other administrators and high officers began searching for some fault in the way Daniel was handling government affairs, but they couldn’t find anything to criticize or condemn. He was faithful, always responsible, and completely trustworthy.
Daniel 6:23 The king was overjoyed and ordered that Daniel be lifted from the den. Not a scratch was found on him, for he had trusted in his God.

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).