Bumbling
来自Big Physics
Safin(讨论 | 贡献)2022年4月29日 (五) 08:26的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=bumbling+etymology&newwindow=1&hl=en ref] late Middle English (in the sense ‘hum, drone…”的新页面)
late Middle English (in the sense ‘hum, drone’): from boom1 + -le4.
etymonline
bumbling (adj.)
"confused, blundering, awkward," 1886, present-participle adjective from bumble (v.).