adj. [A. S. ealmeathig; Hel. ala-; Germ. allmächtig], almighty, seems to be a Christian (eccl.) word, translated from the Latin omnipotens; but the phrase ‘hinn almáttki áss’ in the heathen oath (used of Thor) implies its use in very early times. The old form is contracted before -ir, -ar, -an, -um, etc., and changes g into k; almáttkan, -kir, -kum (now almáttugan, -ugir, -ugum, through all cases), v. máttigr: used of God, Fms. i. 231, Eluc. 10, Sks. 305, etc.: heathen use, Landn. 258, cp. p. 335.