scotomy
dizziness with dimness of sight
countable, obsolete, uncountable
O, sir, 'tis past the scotomy;
obscuration of the field of vision due to the appearance of a dark spot before the eye
countable, obsolete, uncountable
Where it comes from
From Ancient Greek σκοτωμία (skotōmía, “dizziness”). By surface analysis, scot- + -omy.
Adapted from the Wiktionary entry scotomy (CC BY-SA 4.0).