latchkey
also latch-key, 1825, a key to draw back the latch of a door, from latch, n. + key, n.1. Latchkey child first recorded 1944, American English, in reference to children who come home from school while both parents are at work.
| 词汇 | latchkey | 
| 词根词缀 | Online Etymology Dictionary latchkey also latch-key, 1825, a key to draw back the latch of a door, from latch, n. + key, n.1. Latchkey child first recorded 1944, American English, in reference to children who come home from school while both parents are at work. | 
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