dysthymia
Concise Oxford English Dictionary © 2008 Oxford University Press:
dysthymia /dɪsˈθʌɪmɪə/
▶noun Psychiatry persistent mild depression.
– derivatives
dysthymic adjective & noun.
dysthymic adjective & noun.
– origin C19: from Gk dusthumia.
'dysthymia' also found in these Oxford entries:

