heavy-heartedness en · NOUN
Etymology
From heavy-hearted + -ness.
Meanings
-
(uncountable) sadness, depression, or melancholy.
After a month or two of heavy-heartedness, I told myself, Time out, David. When your car breaks down, you see a mechanic, when you need money, you go to the bank; so when you can't figure out what's going on in your head, go find a shrink.
2003, David M. Delo, Beyond the Tears and Laughter: Insights from a Manic Depressive, →ISBN, page 99: