From Ancient Greek ἀχλύς (akhlús, “darkness”) and -phobia.
achluophobia (uncountable)
- The fear of darkness.
2007, Dave Smith, Backcountry Bear Basics: The Definitive Guide to Avoiding Unpleasant Encounters[1], The Mountaineers Books, →ISBN:If you have a severe case of achluophobia (fear of the dark), for instance, you may want to wait at the mouth of the cave.
2013, Chris Island, Gunny's Short Stories and Life Lessons, Trafford Publishing, →ISBN, page 56:When I was little, I had achluophobia and had to sleep with some kind light, any kind of light.
2013, Si Robertson, Si-cology 1: Tales and Wisdom from Duck Dynasty’s Favorite Uncle, Howard Books, →ISBN, page 37:I'm not exactly sure when I was diagnosed with achluophobia—the fear of darkness—but I've always been afraid to be left alone in the dark.
- For more quotations using this term, see Citations:achluophobia.