Ray
/reɪ/noun
A narrow beam of light or energy.
Did you know?In Latin, 'radius' means 'spoke of a wheel' or 'beam of light', connecting rays of light to divine illumination.
Etymological Timeline
Proto-Indo-European
PIE
*rei-
“to shine or to be bright.”
Latin
Latin
radius
“a ray or beam, also referring to the spoke of a wheel.”
Old French
Old French
rai
“a ray or beam of light.”
14th Century
Middle English
ray
“a beam of light or a radiant line.”
Modern English
English
ray
“a narrow beam of light or energy.”