The speaker enquired from the soft falling shower as to who or what it really is? Though it may appear to be very strange to express it in words, yet the soft rain seemed to give the speaker an answer which can be translated as follows: that it is the poem of the earth that rises eternally from an impalpable; not palpable; incapable of being perceived by the sense of touch; intangible: difficult for the mind to grasp readily or easily:(of powder) so fine that when rubbed between the fingers no grit is felt; something that cannot be touched; portion of the land and the bottomless sea. Upward to heaven, to the immeasurable heights of the sky, from whence it vaguely forms, altogether change and yet the same.
It descends to lave; (of a river, sea, etc.) to flow along, against, or past; wash: Obsolete. To ladle; pour or dip with a ladle: wash or bathe; the droughts; a period of dry weather, esp. a long one that is injurious to crops: an extended shortage; atomies; tiny particles; and the dust layers of the globe. All that is in the world without the rain were only seeds that are latent; hidden; and unborn. Eternally, day and night, and round the clock, it gives back life to its own origin, to make the earth pure and beautify it. (For song, issuing from its birth place, after fulfillment, wandering Reck’d or unreck’d, duly with love returns); to have care, concern, or regard (often fol. by of, with, or a clause): to take heed: Archaic . To be of concern or importance; matter.