English
trollitis
From troll + -itis.
Formed from troll + -itis
Proto-Germanic *truzlą ‘supernatural being’
Old Norse trǫll ‘conjurer, mage’
Middle English trol ‘demon (?)’
English troll
Today it means
noun A tendency to act like a troll, or online troublemaker.
Language periods are conventional ranges, not dates for this word.
Etymograph / trollitis