Plural form of daise, an archaic or dialectal term for a raised platform or dais.
From Old French 'daise,' related to 'dais,' which comes from Latin and ultimately may relate to the idea of elevation or sitting.
A 'dais' and a 'daise' are the same word at different points in English spelling evolution—you'll find 'daise' in medieval documents referring to the high table where nobility sat.
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