Chopped into small pieces; processed or discussed in detail as in a meeting or debate.
From hash (to chop), likely from French hacher. The phrase 'hash over' or 'hash out' means to discuss thoroughly, mixing the literal cutting sense with metaphorical breaking-down of ideas.
When programmers talk about 'hashing' data, they're using a descendant meaning—breaking information into fragments and scrambling them, which paradoxically makes data easier to search and verify.
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