1)
What is the meaning of "Sabosi"?
1.
Rashi: I caused the matter, to the point that this resulted.
2.
Malbim: I was slightly Mezid, for that day I knew that Do'eg will tell Sha'ul. I caused their death, so I need atonement. Hashem said, 'through you, Nov Ir ha'Kohanim was killed" (Shochar Tov 18:30).