What language were books being translated into during the era of Haymo of Faversham?
Haymo of Faversham:  His scholastic epithet was Inter Aristotelicos Aristotelicissimus (Latin for "Most Aristotelian among the Aristotelians"), referring to his stature among the Scholastics during the Recovery of Aristotle amid the 12th- and 13th-century Renaissance. Recovery of Aristotle: The "Recovery of Aristotle" (or Rediscovery) refers to the copying or re-translating of most of Aristotle's books (of ancient Greece), from Greek or Arabic text into Latin, during the Middle Ages, of the Latin West.
Latin