Robinta is a word that refers to a type of red wine grape. It is spelled as "rəʊˈbɪntə" in IPA phonetic transcription. The first syllable is pronounced with a long "o" sound and the stress is on the second syllable. The short "i" sound in the third syllable is followed by a nasal "n" sound. The final syllable has a short "a" sound. The spelling of Robinta may seem unusual to some, but it is a correct and accepted spelling for this particular grape variety.
There doesn't appear to be any significant evidence or widely accepted information about the etymology of the word "Robinta". It is possible that it is a proper noun, a personal or place name that may not have a specific etymological origin. If "Robinta" is a word used in a specific context or language, providing more details could help in exploring the possible etymology.