Strong's Hebrew #6940 - קַדְרוּת qadruth (darkness)

blackness

From qadar; duskiness -- blackness.

see HEBREW qadar

1) darkness, gloom
Part of Speech: noun feminine
A Related Word by BDB/Strong’s Number: from H6937
Same Word by TWOT Number: 1989a

קַדְרוּת noun feminine darkness, gloom; — אַלְבִּישׁ ׳שָׁמַיִם ק Isaiah 50:3 (compare √, Jeremiah 4:28; 1 Kings 18:45; "" שַׂק).

Strong's Hebrew: 6940. קַדְרוּת (qadruth) — 1 Occurrence

Isaiah 50:3
HEB: אַלְבִּ֥ישׁ שָׁמַ֖יִם קַדְר֑וּת וְשַׂ֖ק אָשִׂ֥ים
NAS: the heavens with blackness And make
KJV: the heavens with blackness, and I make
INT: clothe the heavens blackness sackcloth and make