kostgæfligaatviksorðkost-gæfligaand kost-gæfiliga, adv. with pains, diligently, Hom. 1, Fms. i. 263.Skammstafanir og tilvitnaniradv.atviksorð (e. adverb)Hom.Homiliu-bók. (F. II.)Fms.Fornmanna sögur. (E. I.)