Vedic Metre in its Historical Development c7.22

c7.22

9. The neuter plural in -ū (-u is rarely correct, see § 159), in urú, ṛjú, cárū, tridhátū, purú (purú), *bahú, *mádhū, vásū, vīlú, sánū, sudátū, suhántū: and from a radical stem mayobhū.