שֶׁמֶשׁ shemesh (H8121)

the sun; by implication, the east; figuratively, a ray, i.e. (architectural) a notched battlement

1) sun 1a) sun 1b) sunrise, sun-rising, east, sun-setting, west (of direction) 1c) sun (as object of illicit worship) 1d) openly, publicly (in other phrases) 1e) pinnacles, battlements, shields (as glittering or shining)

from an unused root meaning to be brilliant;