Etymology

lens

L1E1N1S1

Today it means: An object, usually made of glass, that focuses or defocuses the light that passes through it. Full definition →

Latin lēns ← Arabic عَدَسَة
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The story

  1. Arabic · semantic loan fromعَدَسَة“lentil; optic lens”
  2. Latin · borrowed fromlēns“lentil”
  3. English todaylens

Borrowed from Latin lēns (“lentil”), with Medieval Latin later taking on the sense of “lens”, a semantic loan from Arabic عَدَسَة (ʕadasa, “lentil; optic lens”); the similar shape is the common factor.

Words from the same roots

Latinlēns all →

lenticularlenticellenticularislentiform

Etymology from Wiktionary, CC BY-SA 4.0.