At last the base of the cliff is undermined, huge fragments fall down, and these remaining fixed, have to be worn away atom by atom, until after being reduced in size they can be rolled about by the waves, and then they are more quickly ground into pebbles, sand, or mud.
Azkenean, labarraren oinaldea azpijanik geratzen da, labar zati eskergak amiltzen dira goitik behera eta, tinko geratzen diren tokian, zatitxoz zatitxo jan behar ditu itsasoak, harik eta, tamainuz txikitu ondoren, olatuek hara eta hona erabiltzeko moduan geratu arte, eta, orduan, agudo samar harrikaskar, hondar edo basa bihurtzen dira.