Malcolm

wiktionary

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Royal name in Scotland, anglicised from Scottish Gaelic/GoidelicMael Coluim "devotee of (Saint) Columba". [1]

etymonline

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Malcolm

masc. proper name, from Old Irish Máel Coluim "servant of (St.) Columba," from máel "servant," etymologically "bald, shorn, hornless," from PIE base *mai- (1) "to cut" (see maim).