Superlative form of lucky; having the most good fortune or the greatest chance of success.
From Middle English 'lucke,' possibly from Middle Dutch or Middle Low German 'luc.' The superlative '-est' suffix is Germanic and appears in most comparative adjectives.
The word 'luck' entered English relatively recently (1400s) from gambling language, showing how games influenced our understanding of chance and fortune—we still use gambling metaphors when talking about luck.
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