YES! SUNLIGHT not sun light!
The Sun's light is solar. That's what the word 'solar' means.
No, the word "environment" does not come from the same root as the word for light from the sun. "Environment" is derived from the Middle French word "environner," which means "to surround," while the word for light comes from Old English.
A four letter word meaning to grow light as the sun rises is dawn.
Rays - as in light, or the sun.
sun
Photoprotection is protection from light or the sun. The word "photo" meaning "light" and the word "protection" meaning "to defend against".
Dawn.
dawn
the word sun has three letters in it but contains no wordsunshineSundaysundaesunblocksuntansunglassessunburnsunbeamsunflowersundresssunburstsundersundialsundownsunupsunfishsundrysundriessunlesssunkensunlightsunnysunlampsungsunrisesunsetsunroofsunshade
Dawn is the four letter word meaning to grow light as the sun rises. Dawn is the beginning of a new day.
There are citaian essesntial of a plant one of them is sun light
twilight means when the sun rises, or when it sets/ the soft, diffused light from the sky when the sun is below the horizon. So they really isn't one, because if it can be sunrise and sun set, they isn't an oppisite. Maybe you could find a word which means the sun is above the horizon.