Inaugural Bird Omens
By Annie Connole inauguration (n.) 1560s, from French inauguration “installation, consecration,” and directly from Late Latin inaugurationem (nominative inauguratio) “consecration,” presumably originally “installment under good omens;” noun of action from past participle stem of inaugurare “take omens from the flight of birds; consecrate of install when omens are favorable,” from in- “on, in” (see in- (2)) [...]