Exodus 10:21

KJV_Strongs⁽ⁱ⁾

21 H3068 And the LORD H559 said [H8799] H4872 unto Moses H5186 , Stretch out [H8798] H3027 thine hand H8064 toward heaven H2822 , that there may be darkness H776 over the land H4714 of Egypt H2822 , even darkness H4959 which may be felt [H8686] .

Online Parallel Study Bible

Stretch.
Exodus 9:22
darkness.As the Egyptians not only worshipped the light and sun, but also paid the same veneration to night and darkness, nothing could be more terrible than this punishment of palpable and coercive darkness, such as their luminary Osiris could not dispel. See Bryant, pp. 141-160.
Psalms 35:6; Psalms 78:49; Psalms 105:28; Proverbs 4:19; Ecclesiastes 2:14; Ecclesiastes 6:4; Isaiah 8:21; Isaiah 8:22
Matthew 27:45; Mark 15:33; Luke 23:44; 2 Peter 2:4; 2 Peter 2:17; Jude 1:6; Jude 1:13; Revelation 16:10; Revelation 16:11
even darkness which may be felt. Heb. that one may feeldarkness.