אֲחִיסָמָךְʼĂchîyçâmâk

proper name, masculine: my brother has supported (Exodus 31:6; Exodus 35:34; Exodus 38:23)

Pronunciation: akh-ee-saw-mawk' · Hebrew/Aramaic (Old Testament) · H294

Same root

אָחʼâch · H251a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like father))
סָמַךְçâmak · H5564to prop (literally or figuratively); reflexively, to lean upon or take hold of (in a favorable or unfavorable sense)

Where it appears

Appears 3 times in the Bible.

Exodus 31:6 “And I have personally appointed Oholiab son of Ahisamach, of the tribe of Dan, to be his assistant. Moreover, I have given special skill to all the gifted craftsmen so they can make all the things I have commanded you to make:
Exodus 35:34 And the Lord has given both him and Oholiab son of Ahisamach, of the tribe of Dan, the ability to teach their skills to others.
Exodus 38:23 He was assisted by Oholiab son of Ahisamach, of the tribe of Dan, a craftsman expert at engraving, designing, and embroidering with blue, purple, and scarlet thread on fine linen cloth.

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).