Sadness - Ukudabuka

-dabuka

break, crack or crush
become sad, become grieved, become heartbroken

also
descend, originate

I have become sad, recently, hence this post. At times, 'broken' describes it; heart crushed.
The connection to the meaning 'to descend', or 'origininate' is fascinating as indeed grief can strip us down to our bare bones.

Ngidabukile.
I have become sad, grieved heartbroken (or, more simply, I am sad)
I have been broken, cracked or crushed.

Ukudabuka (n)
Sadness, grief, heartache, sorrow

Sad (adj)

- dabukile
But also some gentler alternatives: 
- danile
- lusizi (sad, unhappy)
- buhlungu (sore, aching, painful or sad)

To become sad
-dana
-dabuka

To make sad
- danisa
- dabukisa

Danisa is also a name.