light ۱) نور، لوژ؛ ۲) سبک 1) (n.) nur (#), luž (#); 2) (adj.) sabok (#) Fr.: 1) lumière; 2) léger That portion of → electromagnetic radiation
visible to the human → eye.
However, other bands of the → electromagnetic spectrum
are also often referred to as different forms of light.
Of little weight; not heavy.
Etymology (EN): 1) O.E. leoht, leht, from W.Gmc. *leukhtam
(cf. O.Fris. liacht, M.Du. lucht, Ger. Licht),
from PIE *leuk- “light, brightness,” cognate with Pers.
rowšan “bright, clear,” ruz “day,”
rowzan “window, aperture;” foruq “light,” and afruxtan
“to light,
kindle;” Mid.Pers. rôšn “light; bright, luminous,”
rôc “day;” O.Pers. raucah-rocânak “window;” O.Pers. raocah- “light, luminous; daylight;”
Av. raocana- “bright, shining, radiant;”
akin to Skt. rocaná- “bright, shining,” roka-
“brightness, light;”
Gk. leukos “white, clear;” L. lux “light” (also lumen, luna);
Fr. lumière.
2) From O.E. leoht, from P.Gmc. *lingkhtaz (cf. O.N. lettr,
Swed. lätt, O.Fris., M.Du. licht, Ger. leicht,
Goth. leihts), from PIE base *le(n)gwh- “easy, agile, nimble.” Etymology (PE): 1) Nur, from Ar.
Luž “light,” in Sangesari (luženg variant of
rowzan “vent, window”), variant of Pers. ruz
“→ day,” cognate with light, as above.
- Sabok, from Mid.Pers. sapuk “light, brisk;” from
O.Pers. *θapu-ka-, from Proto-Iranian *θrapu-ka-,
from PIE *trep- “to shake, tremble;” cf. Gk. trepein “to turn;”
L. trepidus “agitated, anxious;” Skt. trepa- “hasty.”
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