Fyrd-sócn

According to the Old English Dictionary:

e;

fyrd-sócn

f. [sócn the seeking] The seeking of the army, military service; mīlĭtia :-- Ðæt hit sý gefreód ealra þeówdóma, búton fyrdsócne, and burhgeweorce and bryggeweorce that it shall be freed from all services, except military service, castle-building, and bridge-work, Th. Diplm. A.D. 1061; 389, 30. fyrd-socn