Etymograph

English

los

Los comes from Middle English lusk ‘lynx’, and goes back to Proto-Indo-European *lewk- ‘to be bright, be light, shine’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*lewk-1‘to be bright’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*luhsaz2‘lynx’reconstructed
  3. Proto-West Germanicc. 200–500 CE*luhs2‘lynx’reconstructed
  4. Old Englishc. 450–1150lox2‘lynx’
  5. Middle Englishc. 1150–1500lusk2‘lynx’
  6. Englishearliest quotation 1592los2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Germanic *luhsaz
  2. 2 Wiktionary, English los
  3. Earliest quotation in Wiktionary’s entry: 1592, Thomas Thomasius: “A beaſt like unto a wolfe having many ſpottes,…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*lewk-Wiktionary, Proto-Germanic *luhsaz‘to be bright’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*luhsazWiktionary, English los‘lynx’reconstructed
  3. Proto-West Germanicc. 200–500 CE*luhsWiktionary, English los‘lynx’reconstructed
  4. Old Englishc. 450–1150loxWiktionary, English los‘lynx’
  5. Middle Englishc. 1150–1500luskWiktionary, English los‘lynx’
  6. Englishearliest quotation 1592losWiktionary, English los. Earliest quotation in Wiktionary’s entry: 1592, Thomas Thomasius: “A beaſt like unto a wolfe having many ſpottes,…”

Linked words

through Proto-Indo-European *lewk- ‘to be bright, be light, shine’

light, link, low, lucy, ounce, lunar, luna, lea, illumination, lux, illuminate, lucid, luminous, translucent, lumen, lynx, luce, lumia, luminosity, lum, lune, leucine, luminescent, luminary, luminal, loach, 74 more

through Middle English lusk ‘lynx’

lusk

Today it means

noun A medium-sized wildcat, most of them part of the genus Lynx.

Sources

Sources: Wiktionary, “los”; the older steps come from the Wiktionary entry for Proto-Germanic *luhsaz. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *lewk- / los