An irrational fear of hermits or of living a hermit-like life in seclusion and isolation.
From 'ermit' (archaic hermit) plus Greek 'phobos' (fear), combining the medieval spelling with modern psychological terminology; this is a very rare or perhaps invented medical term.
This word is so obscure it might exist only in unabridged dictionaries or philosophical texts—it's the kind of hyper-specific phobia term that linguists create to show how productively English can make new fear-words, even for things nobody actually fears.
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