rupophobia
The fear of rubbish or dirt.
uncountable
Patients with rupophobia, the fear of dirt, are at times encountered by the dermatologist. Some of these patients present a traumatic dermatitis, or a self inflicted lesion of the skin.
Where it comes from
Possibly from Ancient Greek ῥύπος (rhúpos, “filth”) + -phobia (See rhypophobia). Alternatively, related to Latin rupes (“cliff, rock”).
Adapted from the Wiktionary entry rupophobia (CC BY-SA 4.0).