Webster's 1913 Dictionary
ERD
Erd, n. Etym: [OE. erd, eard, earth, land, country, AS. eard; akin to OS. ard dwelling place, OHG. art plowing, tillage, Icel. öredh crop, and to L. arare to plow, E. ear to plow. ]
Defn: The earth. [Prov. Eng. ] Wright. Erd shrew (Zoöl.), the common European shrew (Sorex vulgaris ); the shrewmouse.