IPA: //ˈsʌn.laɪt//
KK: /sʌnˌlaɪt/
The light that comes from the sun and brightens the day.
The plants need sunlight to grow properly.
Sunlight → It is formed from "sun" (from Old English *sunne*, meaning the star that provides light and warmth) and "light" (from Old English *leoht*, meaning illumination or brightness). The word "sunlight" refers to the light that comes from the sun.
Think of the 'sun' as the source of 'light' — sunlight is simply the light that comes from the sun.