Lexical Definition

‎צַח‎ tsach (tsakh) dazzling H:A
from ‎צָחַח‎

clear, dry, plainly, white.

1) dazzling, glowing, clear, bright

See Greek: εἰρήνη · λευκός

Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
צָחֽוֹת clearly Isa.32.4
צַח֙ dazzling Song.5.10Isa.18.4
צַ֤ח scorching Jer.4.11

Brown-Driver-Briggs

‎צַח‎ adjective dazzling, glowing, clear; — ‎חֹם‎ ‎צַח‎ Isa 18:4 glowing heat; ‎רוּחַ צַח‎ Jer 4:11 glowing wind; ‎דּוֺדִי צַח וְאָדוֺם‎ Song 5:10 my beloved is dazzling (white) and ruddy (compare Lam 4:7); feminine plural ‎לְדַבֵּר צַחוֺת‎ Isa 32:4 to speak clear (words), clearly.

Brown-Driver-Briggs References

Book Refs
Song of Solomon 5:10
Isaiah 18:4 · 32:4
Jeremiah 4:11
Lamentations 4:7