Tad
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 18:08的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=tad+etymology&newwindow=1&hl=en ref] late 19th century (denoting a small child): origin u…”的新页面）
late 19th century (denoting a small child): origin uncertain, perhaps from tadpole. The current usage dates from the 1940s.
wiktionary
1877, ‘young or small child’, probably a shortened form of tadpole. The extended meaning ‘small amount’ is first recorded 1915.
etymonline
tad (n.)
1877, "young or small child," probably a shortened form of tadpole, which is said to be the source of Tad as the nickname of U.S. President Lincoln's son Thomas (1853–1871). The extended meaning "small amount" is first recorded 1915.
