fathom

English

/ˈfæðəm/

noun
Definitions
  • (obsolete) Grasp, envelopment, control.
  • (units of measure) An English unit of length for water depth notionally based upon the width of grown man's outstretched arms but standardized as 6 feet (about 1.8m).
  • (units of measure) Various similar units in other systems.
  • (figuratively) Depth of insight, mental reach or scope.

Etymology

Inherited from Middle English fathome inherited from Old English fæþm (armful, fathom) derived from Proto-Germanic *faþmaz (embrace, armful) derived from Proto-Indo-European *pet- (extend, spread out), *peth₂- (fly, spread out, fall).

Origin

Proto-Indo-European

*peth₂-

Gloss

fly, spread out, fall

Concept
Semantic Field

Animals

Ontological Category

Action/Process

Emoji
✈️ 🐉 🐦️ 🐲 💸 🕊️ 🚁 🛩️ 🛫 🛬 🦅 🦆 🪁 👨‍✈️ 👩‍✈️ 🚁

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms