From an unused root (meaning to be bright); shining -- bright.
Englishman's Concordance
1) bright, brilliant (of light) Part of Speech: adjective A Related Word by BDB/Strong’s Number: from an unused root (meaning to be bright) Same Word by TWOT Number: 211b
Brown-Driver-Briggs
בָּהִירִadjectivebright, brilliant, of light; only Job 37:21הוּא בַּשְּׁחָקִים׳לֹא רָאוּ אוֺר בּ.
Job 37:21 HEB:רָ֤אוּ א֗וֹר בָּהִ֣יר ה֭וּא בַּשְּׁחָקִ֑ים NAS: which is bright in the skies; KJV: And now [men] see not the bright light INT: see the light is bright which the skies
