The Ellyllon are the pigmy elves who haunt the groves and valleys, and correspond pretty closely with the English elves. The English name was probably derived from the Welsh _el_, a spirit, _elf_, an element; there is a whole brood of words of this class in the Welsh language, expressing every variety of flowing, gliding, spirituality, devilry, angelhood, and goblinism. Ellyllon (the plural of ellyll), is also doubtless allied with the Hebrew Elilim, having with it an identity both of origin and meaning.[10] The poet Davydd ab Gwilym, in a humorous account of his troubles in a mist, in the year 1340, says: