whereinto

from The Collaborative International Dictionary of English v.0.48

Whereinto \Where`in*to"\, adv.
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   1. Into which; -- used relatively.
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            Where is that palace whereinto foul things
            Sometimes intrude not?                --Shak.
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            The brook, whereinto he loved to look. --Emerson.
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   2. Into what; -- used interrogatively.
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