a. [f. prec. + -ED.] Stupid.
1532. More, Confut. Barnes, VIII. Wks. 736/1. Thys felowes folishe apishenesse, and al hys asseheded exclamacions.
1609. Douland, Ornithop. Microl., 65. Asse-headed ignorance.
Hence also Asseheaddinesse, or blockishnesse. Minsheu, 1617.