Contributor

wiktionary

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From Anglo-Norman contributour, itself from Latin con- + tributum + -tor

etymonline

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contributor (n.)

also contributer, mid-15c., contributour, "one who pays a tax or assessment," from Anglo-French contributour, from Vulgar Latin *contributorem, agent noun from contribut-, stem of contribuere (see contribute). Meaning "one who gives or grants in common with others" is from 1520s. Related: Contributory (early 15c.).