after-wit
/ˈɑːftəwɪt/ /ˈaftəwɪt/Now archaic and rare
noun
Wisdom acquired after the event, typically too late to be of use; the fact of acquiring wisdom in this way; an instance of this. Frequently proverbially and in plural in early use. Compare earlier fore-wit and man of after-wits.
Origin
Early 16th century (in an earlier sense). From after- + wit.