Be-twion

Secondo il Dizionario dell'Inglese Antico:

be-twion

adj. [be by, with; twám, twǽm, dat. of twá two] Double, folding, twofold; duplex :-- Mid betwion mentle with a folding mantle; diploide, Ps. Spl. T. 108, 28. be-twion