d, [afl and afli], to strengthen:

I. act.,

α. to make strong, build; efla veggi, to build walls, 655 xxv. i; létu þeir efla at nýju Danavirki, they restored the Danish wall, Fms. i. 121.

β. to found, raise, endow; efla stað, kirkju, to endow or raise a church, bishopric, Barl. 65, Fms. iv. 110; e. bú, to set up one’s house, Band. (MS.) 3: milit., e. her, lið, to raise troops. Fms. v. 279; e. flokk, to raise a party, 140; e. ófrið, to raise a rebellion, make war, xi. 268: e. e-n, to aid, side with one, in a fight or lawsuit; efldi Dofri hann síðan til ríkis í Noregi, Bárð. 164; ok hét honum liðveizlu sinni at hann skyldi e. Steinar, Eg. 722: e. e-n til rangs máls, to help one in a wrong case, Js. 8; Danir höfðu þá herrana eflt upp á Svíaríki, Fms. x. 50; bað liðit e. sik, Fagrsk. ch. 179.

γ. to perform solemnly; e. heit, to make a vow, Gísl. 90; e. blót, to perform a sacrifice, Nj. 158; e. at brullaupi, to hold a wedding, Fms. ix. 21: poët., e. dáð (dáð eflir, a hero); e. tafl, to play a game, Orkn. (in a verse), Lex. Poët.

δ. neut. to be able; sem vér eflum ok orkum, Stj. 149; sem þú eflir ok orkar, id., 186, (rare.)

II. reflex. to grow strong; hversu staðrinn hefir eflzk ok magnask. Bs. i. 59; hann fann at mótstüðumenn hans efldusk, grew strong; eflask at her, liði, to gather, raise troops, Gísl. 7, Fms. i. 199, vii. 23; síðan var efldr (raised) flokkr í móti honum, iv. 140: eflask til ríkis, to win a kingdom, get a kingdom by force of arms, Bárð. 165: erlask við e-n (poët.) = mægjask, to marry into one’s family, Hdl. 15.