A-timbrian

According to the Old English Dictionary:

-timbran;

a-timbrian

p. ode, ede; pp. od, ed To erect, build; ædificare :-- Hét ða burh atimbrian ordered to build the city, Ors. 3, 9; Bos. 65,,21; 66, 40; 67, 39 : 6, 30; Bos. 127, 34. Búr atimbran to build a bower, Exon. 108 a; Th. 411, 26; Rä. 30, 5. a-timbrian