Bible dictionaries
Fathom
What Bible dictionaries say about “Fathom”, one article after the other.
Easton’s Bible Dictionary & Webster’s 1828 Dictionary
Fathom - (Easton's Bible Dictionary)
(Old A.S. faethm, "bosom," or the outstretched arms), a span of six feet (Acts 27:28). Gr. orguia (from orego, "I stretch"), the distance between the extremities of both arms fully stretched out.
Matthew George Easton, Easton’s Bible Dictionary; Noah Webster, American Dictionary of the English Language (1828)
The article in Easton + Webster 1828International Standard Bible Encyclopedia (ISBE 1915)
fath'-um (~orguia): The literal meaning is the length of the outstretched arms, and it was regarded as equal to 4 cubits, or about 6 feet. (Ac 27:28).
See WEIGHTS AND MEASURES.
International Standard Bible Encyclopedia — James Orr, general editor and contributors; CrossWire SWORD module ISBE 2.2
The article in ISBE 1915Smith’s Bible Dictionary
William Smith; revised by F. N. Peloubet and M. A. Peloubet; CrossWire SWORD module Smith 1.3
The article in Smith