An obsolete or dialect spelling or pronunciation of 'effects,' meaning possessions, consequences, or impressions.
From Old French 'effet' (effect), via Latin 'effectus.' The spelling 'efecks' represents a dialectal or phonetic variant from earlier English, now obsolete.
Efecks shows how pronunciations shifted—different regions pronounced 'effects' differently, and when people tried to write down what they heard, you'd get variant spellings like this!
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