Etymograph

English

libra

Libra comes from Portuguese libra ‘English or American pound, a unit of mass…’, and goes back to Latin libra.

  1. Latinc. 75 BCE–200 CElibra‘pound’
  2. Italianc. 1300–presentsame form‘pound’
  3. Spanishc. 1500–presentsame form‘English or American pound avoirdupois’
  4. Portuguesec. 1500–presentsame form‘English or American pound, a unit of mass equal to 454 g’
  5. Englishtodaysame form

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Latinc. 75 BCE–200 CElibra‘pound’
  2. Italianc. 1300–presentsame form‘pound’
  3. Spanishc. 1500–presentsame form‘English or American pound avoirdupois’
  4. Portuguesec. 1500–presentsame form‘English or American pound, a unit of mass equal to 454 g’
  5. Englishtodaysame form

Linked words

through Proto-Italic *līðrā ‘ingot’

litre, rattle, 18 more

through Latin libra ‘pound’

level, deliberate, equilibrium, deliberation, lira, deliberative, 8 more

Today it means

noun A Roman unit of mass, usually equivalent to 327 g.

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

Etymograph / Latin libra / libra