Having qualities resembling a jackdaw, or somewhat like the break of dawn.
From 'daw' (jackdaw or dawn) plus the suffix '-ish' meaning 'somewhat' or 'like.' This productive suffix allows English speakers to create descriptive adjectives by adding a layer of approximation to any noun.
The '-ish' suffix is why English speakers can describe literally anything approximately—'bluish,' 'foolish,' 'darkish'—it's one of our language's most creative building blocks for fuzzy descriptions.
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