κατήφεια G2726
katḗpheia · kat-ay'-fi-ah · Noun Feminine
from a compound of κατά and perhaps a derivative of the base of φαίνω (meaning downcast in look); demureness, i.e. (by implication) sadness:--heaviness.
1 Occurrence in the King James Bible
James 4:9Be afflicted, and mourn, and weep: let your laughter be turned to mourning, and your joy to heaviness.