Etymograph

English

ray

Ray comes from Old French rai ‘beam’, and goes back to Latin radius ‘staff, stake, spoke’.

  1. Latinc. 75 BCE–200 CEradius1‘staff’
  2. Old Frenchc. 842–1400rai1‘beam’
  3. Englishearliest quotation 1728ray1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English ray
  2. Earliest quotation in Wiktionary’s entry: 1728, Alexander Pope, (please specify the page): “All eyes direct their rays / On him, and…”.

Lineage

  1. Latinc. 75 BCE–200 CEradiusWiktionary, English ray‘staff’
  2. Old Frenchc. 842–1400raiWiktionary, English ray‘beam’
  3. Englishearliest quotation 1728rayWiktionary, English ray. Earliest quotation in Wiktionary’s entry: 1728, Alexander Pope, (please specify the page): “All eyes direct their rays / On him, and…”

The story

Via Middle English, borrowed from Old French rai, from Latin radius (‘staff, stake, spoke’).

Full etymology on Wiktionary

Word family

English words that share an ancestor with ray, grouped by the ancestor they share, most familiar first.

through Latin radius ‘staff, stake, spoke’

through Old French rai ‘beam’

7 more relatives in the full family tree

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Another origin of ray

  1. Proto-Italicc. 1500–700 BCE*rajjāuncertain
  2. Latinc. 75 BCE–200 CEraia
  3. Old Frenchc. 842–1400raie‘ray (fish)’
  4. Middle Englishc. 1150–1500raye
  5. Englishtodayray

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Today it means

noun A beam of light or radiation.

Sources

Sources: Wiktionary, “ray”. 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 / Latin radius / ray