;prep. acc. To, for; in :-- A worlda world to or in an age of ages ; in seculorum seculum, Ps. Th. 18, 8, = on worlda world, Ps. Lamb. 20, 5, = on worulda world, Ps. Th. 103, 6.
Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "a." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 1.
(ó);adv. Ever. Add:A.always; semper.I. in reference to eternity, (1) alone :-- Ealle gesceafta woldon á bión; ǽlcere wuhte is gecynde ðæt hit wilnige ðæt hit á sié, Bt. 34, 12; F. 152, 18. (2) defined by adverbs :-- Á forþ éce, Az. 112. A forþ heonan, Cri. 582. (3) emphasized by noun phrases :-- Ǽfre sig Dryhten gebletsod, á worulda woruld, Nic. 19, 24. Á on worlda forþ, Hy. 7, 123. Á tó worulde forþ, 6, 13. Á tó worulde, á bútan ende, Sae. 315. A bútan ende éce, Cri. 415. Á tó ealdre, Dóm. 29. Á tó feore, Cri. 1678.