Obs. In 4 fye, 5 phy. [ad. Fr. fier, Pr. and Sp. fiar, It. fidare:popular L. *fīdāre, f. L. fīdus faithful.] trans. To trust; also refl. = Fr. se fier. Const. in.
1340. Ayenb., 136. He him fyeth more in oþres nirtue þanne ine his.
c. 1485. Digby Myst. (1882), III. 1068. I his lover and cavse wyll phy.