Affected by doit; diminished in value; or possibly dialectal for silly or senile (variant of 'doted').
From 'doit' or possibly from 'dote' with the '-ed' suffix. May represent Scottish or dialectal usage where it means foolish or senile.
This is a word where spelling and etymology get fuzzy—'doited' might mean worthless (from the coin) or it might mean foolish (from 'dote'), and without a full manuscript context, even word historians can't always be sure which meaning applied.
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