أسّلهُ

1.
He made it (an iron thing) thin. (TA.) [He made it (anything) sharp, or pointed. (See the pass. particle n., below.)]
2.
أسّل المَطَرَ, verbal noun تَأْسِيلٌ, The rain moistened to the measure of the أَسَلَة [or thin part] of the arm. (K.) When it has moistened to the measure of the عَظَمَة [or thick part] of the arm, you say of it عَظَّمَ, verbal noun تَعْظِيمٌ: one says, كَيفَ كَانَتْ مَطْرَتُكُمْ أَسَّلَتْ أَمْ عَظَّمَتْ [How was your rain? Did it moisten to the measure of the thin part of the arm, or did it moisten to the measure of the thick part thereof?]. (TA.) And أسّل الثَّرَى, (TA,) or أَسَلَ, (M, [so in a copy of that work, but probably a mistranscription,]) The moisture reached to the measure of the أَسَلَة. (M, TA.)

Perseus ID: n774