Definition of "proin" [proin]

• Obsolete form of prune. (verb)

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• "The full value of the discovery was recognized at once by Berzelius, who, in a letter to the authors of the paper, proposed that they should call their radical proin or orthrin (the dawn of day), for the reason that the assumption of its existence might be likened to the dawn of a new day in chemistry."
• "Mi hercle, nam ego nunc tibi sum summus Iuppiter, idem ego sum Salus, Fortuna, Lux, Laetitia, Gaudium. proin tu deum hunc saturitate facias tranquillum tibi."
• "Apage, non placet me hoc noctis esse: cenavi modo: 310 proin tu istam cenam largire, si sapis, esurientibus."