Present participle of bakshish; the act of giving or receiving baksheesh.
Created by adding the English gerund/present participle suffix -ing to bakshish, fully adapting the Persian word into English verbal conjugation.
The fact that colonial English writers used 'bakshishing' as a present participle shows how quickly borrowed words become grammatically native—you don't adopt just the noun, you adopt the ability to conjugate it.
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