Strong’s Hebrew
H6110 — `atstsumah
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
עַצֻּמָה
`atstsumah — pronounced ats-tsoo-maw
feminine of 6099; a bulwark, i.e. (figuratively) argument:--strong. see H06099
1 occurrence in the KJV.
Isaiah 41:21
Produce your cause, saith the LORD; bring forth your strong reasons, saith the King of Jacob.