Feminine of 'owr; luminousness, i.e. (figuratively) prosperity; also a plant (as being bright) -- herb, light.
see HEBREW 'owr
I. אוֺרָה noun feminine light (late, Mishna id., compare Aramaic אוּרְתָּא evening-light, moon-light, star-light, etc.)
1 light (opposed to חֲשֵׁיכָה) Psalm 139:12.
2 light of joy & happiness Esther 8:16; plural intensive אוֺרוֺת light of life Isaiah 26:19 (light that quickens dead bodies as dew the plants Ew Hi De Che Di RVm; see BrMP 303 compare חַיִּים אוֺר; but Ki Ges MV Bö RV translate herbs).
II. [אוֺרָה] noun feminine herb (so Mishna, Ges compare נצץ, Arabic = lights & flowers, & Samaritan יאר = דֶּשֶׁא of Genesis 1:11-12,) only plural אוֺרוֺת herbs 2 Kings 4:39 (compare Isaiah 26:19 above below I. אוֺרָה).