Locksmith
来自Big Physics
Safin(讨论 | 贡献)2022年4月28日 (四) 23:28的版本 (建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/locksmith ref] From [https://en.wikipedia.org/wiki/Middle_English Middle English] loksmit…”的新页面)
wiktionary
From Middle English loksmith; equivalent to lock + smith.
etymonline
locksmith (n.)
"a maker of locks," early 13c., from lock (n.1) + smith (n.).