Atharvaveda 4.4

Thee that the Gandharva dug for Varuṇa whose virility (? -bhráj) was dead, thee here do we dig, a penis-erecting herb.

Up, the dawn; up, too, the sun; up, these words (vácas) of mine; up be Prajāpati stirring, the bull, with vigorous (vājín) energy (çúṣma).

As forsooth of thee growing up (? vi-ruh) it breathes as if heated (? abhi-tap)—more full of energy than that let this herb make for thee.

Up, the energies (çúṣma) of herbs, the essences (sā́ra) of bulls; the virility (vṛ́ṣṇya) of men (púṁs) do thou put together in him, O Indra, self-controller.

Of the waters the first-born sap, likewise of the forest-trees; also Soma's brother art thou; also virility art thou of the stag.

Now, Agni! now, Savitar! now, goddess Sarasvatī! now, Brahmaṇaspati, make his member taut like a bow.

I make thy member taut, like a bowstring on a bow; mount (kram), as it were a stag a doe, unrelaxingly always (?).

Of the horse, of the mule, of the he-goat and of the ram, also of the bull what vigors there are—them do thou put in him, O self-controller.