The devil fetch that harpooneer, thought I, but stop, couldn't I steal a march on him- bolt his door inside, and jump into his bed, not to be wakened by the most violent knockings? It seemed no bad idea but upon second thoughts I dismissed it. For who could tell but what the next morning, so soon as I popped out of the room, the harpooneer might be standing in the entry, all ready to knock me down!
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Hi,
Above is from "Moby Dick".
The structure of the underlined part is so difficult.
Why "what" is used here?
Anyone to enlighten me???
Top answer
Some people - typically country folk - use "what" in place of "that".
— Anonymous
Some people - typically country folk - use "what" in place of "that".
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For who could tell but what ... the harpooneer might be standing in the entry, all ready to knock me down!
This is not a common idiom these days. It has mostly fallen out of use. It is a rhetorical question used to introduce an imagined possibility of what might happen.
The initial 'for' means 'because' and is not part of the idiom.