I assume you're asking WHO made the name science.
No one knows. Words usually gradually come into use and are often based on older, similar words.
Here's the etymology from Dictionary.com.
130050; ME < MF < L scientia knowledge, equiv. to scient- (s. of sciēns), prp. of scīre to know + -ia -ia"
This means that the word science originally was used in the early 1300s. It came from the Latin word meaning "to know."
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