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.
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
Two branches
有典禮的開始
這一組最貼近核心畫面：真的有一場典禮，有人站在前面，時間、地點都訂好。差別只在被開啟的是「一個人的職位」還是「一樣東西」。
verb · C1
To hold a formal public ceremony when someone starts an important job in government — most often a president, but also a mayor, a governor or the head of a large public body.
使…正式就職
不辦典禮，事情本身成為起點
核心畫面裡的「典禮」被拿掉，只留下「這一刻是起算點」。寫的人回頭看，把某件事認定成後面一切的開頭，等於用文字替它辦了一場典禮。
verb · C2
If an event inaugurates an important change or a period of time, it comes at the start of it and is seen as the thing that began it. The source marks this use formal.
開啟（某個時期）