תהילים עב:ו פירוש: רש״י

May it descend as rain upon cut vegetation May his word descend into the midst of Your people and into their heart as the rain that falls on the cut vegetation, which requires rain after being cut. As the matter is stated (Amos 7:1): “and behold the latter growth after the king’s mowings.”

that drip upon the earth Heb. זרזיף, an expression of drops. In Aramaic, in Tractate Yoma (87a): “Drops (זרזיפי) of water hit him.”