night-hawk
n.
from 1610s in reference to various birds, from night + hawk, n.. Figurative sense of "one who stays up and is active at night" is from 1818.
| 词汇 | night-hawk | 
| 词根词缀 | Online Etymology Dictionary night-hawk n. from 1610s in reference to various birds, from night + hawk, n.. Figurative sense of "one who stays up and is active at night" is from 1818. | 
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