Sufficient means as much as is needed; enough to meet a requirement or purpose.
From Latin 'sufficiens' (present participle of 'sufficere') meaning 'to supply, be enough', from 'sub' (under) + 'facere' (to make). It suggested something that adequately 'makes up' what is needed.
Sufficient doesn’t mean perfect or extra—it just means 'good enough to work'. Many people burn out chasing more when 'sufficient' would already do the job.
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