Etymograph

English

demonstrable

Demonstrable comes from Middle English demonstrable.

  1. Middle Englishc. 1150–1500demonstrable
  2. Englishearliest quotation 1949same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Middle Englishc. 1150–1500demonstrable
  2. Englishearliest quotation 1949same form

Earliest quotation: 1949, The Termination Report of the National W: “We deal here with imponderables rather than demonstrables.”

Today it means

adj Able to be demonstrated.

Language periods are conventional ranges, not dates for this word.

Etymograph / Middle English demonstrable / demonstrable