devirare

devirare [cf. CL vir] 1 to unman. Venus ‥ / ‥ magica devirat arte viros Garl. Tri. Eccl. 105. 2 to enfeeble or (?) strip of verdure. c1435 cum ceperit flores arbor parturire ‥, si obvius adversetur urens flatus, ~ata languescit FormOx 448.