Morpheme
Fathom
Type
free base
Denotation
unit of length, unit of depth, length of armspan, grasp, embrace, surround, envelop
Etymology
Middle English fathome, fadom, fadme; Old English fæþm, fæþme
Evidence
fathom, fathoms, fathomed, fathoming, fathomage, fathomly, fathomability, fathomable, fathomer, fathomless, fathomlessly, unfathom, unfathomability, unfathomable
Notes
<m> does not double because the stress falls on the first syllable
