🔼The name Shemaah in the Bible
The name Shemaah occurs only once in the Bible, although it's spelled the same as an alternate version of the name Shimea. Shemaah the Gibeathite was the father of Ahiezer and Joash, the two main leaders of David's mighty-men at Ziklag (1 Chronicles 12:3).
It's actually by no means certain that this man was really called Shemaah. In 1 Chronicles 12:3 his name is preceded by what is usually interpreted as the definite article ה. But that would be a strange place for the article, and this letter may very well be a part of this man's name, which would then be Hashemaah.
🔼Etymology of the name Shemaah
The name Shemaah comes from the verb שמע (shama'), meaning to hear:
For a meaning of the name Shemaah, NOBSE Study Bible Name List reads Fame and Jones' Dictionary of Old Testament Proper Names has Hearing, Fame. BDB Theological Dictionary does not translate this name but does list it under the verb שמע (shama'), meaning to hear.