rĕ-pūmĭcātĭo — Lewis & Short
rĕ-pūmĭcātĭo, ōnis,
I f [pumico], a making smooth again; a smoothing, polishing:
repumicatio et quaedam politura gemmarum,i. e. a trimming off of the buds, Plin. 17, 26, 39, § 246.