[51:12] 1 tc The plural suffix should probably be emended to the second masculine singular (which is used in v. 13). The final mem (ם) is probably dittographic; note the mem at the beginning of the next word.
[51:12] 2 tn Heb “Who are you that you are afraid of man who dies, and of the son of man who [as] grass is given up?” The feminine singular forms should probably be emended to the masculine singular (see v. 13). They have probably been influenced by the construction אַתְּ־הִיא (’at-hi’) in vv. 9-10.