3 noun person, thing having effect on sthgníomhaí masc4 c m usiocair fem5 c m ucúis fem2 c m uagent of erosiongníomhaí creimthehe was an agent of changetharla go leor athruithe dá bharr, ba é ba shiocair le go leor athruithe4 noun LING of verbgníomhaí masc4 c m u