One way to picture it: inaugurate turns a start into a public fact. Something was going to begin anyway — a person was already elected, a building was already finished — and this word marks the moment when it counts, out loud and in front of people. The evidence packet traces it to Latin inaugurō, from the who read the flight of birds before Rome did anything serious. No birds now, but the idea that a beginning needs a formal moment is still sitting inside the word.
From the word’s history
The packet derives the word from Latin inaugurō — to take omens from the flight of birds, and from there to approve, consecrate or install on the basis of those omens — built on in- plus augurō, to act as an augur.
手上的資料說這個字來自拉丁文 inaugurō：原意是「看鳥象占卜」，再從那裡延伸成「依徵兆認可、就任」。字的組成是 in- 加上 augurō（擔任占卜祭司）。所以裡面本來就有「正式認可某個開始」的意思。
Wiktionary entry 'inaugurate', verb, etymology 1 (source_ref kaikki:3f6f69a190036ae4:1137690545), as supplied in the 2026-09-11 evidence packet
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