Thereafter Mac cecht, having cleansed the slaughter, at the end of the third day, set forth, and he dragged Conaire with him on his back, and buried him at Tara, as some say. Then Mac cecht departed into Connaught, to his own country, that he might work his cure in Mag Bréngair. Wherefore the name clave to the plain from Mac cecht's misery, that is, Mag Brén-guir.