Origin: Germanic Old English suffix
Firmness has 6 different meanings across 1 category:
the trait of being resolute
"his resoluteness carried him through the battle"
"it was his unshakeable resolution to finish the work"
the property of being unyielding to the touch
the quality of being steady or securely and immovably fixed in place
The state of being firm
security; steadfastness; good grip