Whereabouts
来自Big Physics
wiktionary
From Middle English wheraboutes, equivalent to whereabout + -s.
etymonline
whereabouts (adv.)
"in what place," early 15c., from whereabout + adverbial genitive -s. The noun, "place where someone or something is," is recorded from 1795. Whereabout in this sense is from c. 1600.
