punctuality
n.
"exactness," 1610s; see punctual + -ity. Meaning "promptness" is from 1777.
〔蒋〕[punct=point，prick点，刺，-ity名词后缀] 准时，严守时刻
〔蒋〕[punct=point，prick点，刺，-ity名词后缀] 准时，严守时刻
| 词汇 | punctuality |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 punctuality n. "exactness," 1610s; see punctual + -ity. Meaning "promptness" is from 1777. 〔蒋〕[punct=point，prick点，刺，-ity名词后缀] 准时，严守时刻 |
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