afterlight
/ˈɑːftəlʌɪt/ /ˈaftəlʌɪt/noun
1= afterglow.
2A later revelation or realization; (as a mass noun) understanding of a situation or event after it has happened or developed; hindsight.
Origin
Late 17th century; earliest use found in Benjamin Whichcote (1609–1683), theologian and moral philosopher. From after- + light.