subaddere

subaddere [CL sub-+addere], to provide (as supplement), to add. 1343 si predicta contribucio non sufficiat, ~atur obolus Conc. II 714b; canes et equos hominesque subaddas [v. l. superaddas], / cervos et corvos, aquilas, immania cete Flete Westm. 113.