rubiginare

rubiginare [CL], ~ari 1 to become rusty; b (fig.). c1340 metallum ‥ trahit ‥ rubiginem ex alio metallo ~ato [ME: irrustet], si diu simul jaceant AncrR 52; quodlibet metallum ~atur quando minus debite usitatur J. Mirfield Flor. 142; s1381 cum ‥ sagittis ~atis (v. fustis 3); s1423 absque exercicio ~atur ferrum et intabescit subito in squalores Amund. I 110.  b non decet manus fratrum Minorum tactu pecunie ~ari Peckham Kilw. 137. 2 to remove rust from, to burnish (metal) (cf. erubiginare). to frubische, ‥ ~are CathA.