(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.
Easton’s Bible Dictionary
Fathom
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.