English
supradialect
From supra- + dialect.
Proto-Indo-European *úp
…
Proto-Italic *superos ‘upper’
Proto-Italic *superād ‘above’
Old Latin suprād
Latin suprā ‘above, on the top, on the upper side’
English supra-
Ancient Greek διαλέγομαι ‘to participate in a dialogue’
Ancient Greek διάλεκτος ‘conversation, the language of a country or a…’
Latin dialectos ‘a dialect (esp. Greek)’
Middle French dialecte
English dialect
Today it means
noun A dialectological category between the levels of language and dialect.
Language periods are conventional ranges, not dates for this word.
Etymograph / supradialect