(same as 厎 砥) to apply knowledge to final causes; to extend knowledge to the utmost, equally; average, smooth
㕄【子集下】【厂部】 康熙筆画：6画，部外筆画：4画
《字彙補》之是切，音智。致也，均也，平也，聲也。《海篇》同厎。
