Ai
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 00:23的版本 (建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/ai ref] Originated 1685–95, from [https://en.wikipedia.org/wiki/Brazilian_Portuguese Br…”的新页面)
wiktionary
Originated 1685–95, from Brazilian Portuguese aí, from Old Tupi.
Contraction of aight (which itself is a contraction of all right).
etymonline
AI
also a.i., by 1971, abbreviation of artificial intelligence. In early 20c. it stood for artificial insemination.