דניאל י:ח פירוש: רש״י

was turned in me into corruption Heb. לְמַשְׁחִית, lit. to a destroyer. To corruption, and it is customary for Biblical verses to speak in this manner, like (Jer. 5:8): “They were like armed stallions early in the morning.” מַשְׁכִּים is the equivalent of בְּהַשְׁכָּמַת הַבּקֶר, in the early morning.

I could not summon up strength i.e., I did not gather. All my strength left my innards.