From Wiktionary, the free dictionary
Ancient Greek φόβος (phóbos) Proto-Indo-European *-éh₂ Ancient Greek -ῐ́ᾱ (-ĭ́ā) Latin
English sesquipedalophobia
From sesquipedalian + -phobia.
sesquipedalophobia (uncountable)
- Fear of long words.
1983, Verbatim[1], volume 10, page 25:But sesquipedalophobia ('hatred or fear of big words,' aptly enough) has prevailed, even among men of learning.
2002 March 6, derm, “Re: Are You Somebody? by O'Faolaint”, in soc.culture.irish[2] (Usenet):That hasn't helped my sesquipedalophobia one bit...
2008, Abhijit Bhaduri, Married But Available[3], HarperCollins (2012), →ISBN:Ayesha was like a walking dictionary of phobias. She believed that I had sesquipedalophobia – the fear of long words.