tanmātratvaṁ nabhasvataḥ

mrdutvam-softness; kathinatvam-hardness; ca-and; saityam-cold; usnatvam-heat; eva-also; ca-and; etat-this; sparsasya-of the subtle element touch; sparsatvam-the distinguishing attributes; tanmatratvam-the subtle form; nabhasvatah-of air.