The first occurrence
And let them be for lights in the firmament of the heaven to give light upon the earth: and it was so. Gen 1:15
In the Scripture Picture: The LORD make His face shine upon you …
The primitive root
Strong’s H215 אור owr, a primitive root meaning, “to be or become light.” The 3-letter root is aleph + vav + resh.
aleph א = the ox head, thus strength, power, leader
vav ו = the tent peg, thus add, secure, hook
resh ר = the head of man, thus head, first, top, beginning, man
The story: The cattle (aleph) secured (vav) by the man (resh), thus the cognate words are (cattle) pen, stall, as the place men secure their cattle, and also box, as a livestock stall was in a box shape. Boxes are used to organize and store things, so that there is order instead of chaos, and when God created light, He brought what was chaotic into order.