אֵיד ʼêyd (H343)

oppression; by implication misfortune, ruin

1) distress, burden, calamity 1a) burden (of the righteous) 1b) calamity (of nation) 1c) disaster (of wicked) 1d) day of calamity

from the same as אוּד (H181) (in the sense of bending down);