- mysophobia (n.)
- "dread of dirt or defilement," 1879, from Greek mysos "uncleanliness," from PIE *meus- "damp" (see moss) + -phobia.
- ordure (n.)
- late 14c., from Old French ordure "filth, uncleanliness" (12c.), from ord, ort "filthy, dirty, foul," from Latin horridus "dreadful" (see horrid).
- uncleanly (adj.)
- Old English unclænlic; see un- (1) "not" + cleanly (adj.). Related: Uncleanliness.