أسْلَفَ: أقْرَضَ ـ اُنْظُرْ: سَلّفَ

أسْلَفَ (الأرْضَ بـِالْمِسْلَفَة) to harrow, drag

كَمَا أسْلَفْنَا as we have just (already, previously, formerly) said or mentioned, as we have said (or mentioned) earlier or before