🔼The name Shemida in the Bible
There is only one Shemida in the Bible and he is a son of Gilead of Joseph and the progenitor of the Shemidaites (שמידעי; Numbers 26:32, Joshua 17:2). The Chronicler mentions that Shemida had four sons, among whom perhaps the famous Shechem, but no more is known about this man (1 Chronicles 7:19).
🔼Etymology of the name Shemida
The name Shemida consists of two elements, the first one being the noun שם (shem), meaning name or renown:
The second part of our name is the noun דע (dea'), meaning knowledge:
For a meaning of the name Shemida, NOBSE Study Bible Name List reads Fame Of Knowing and Jones' Dictionary of Old Testament Proper Names has the similar Fame Of Knowledge. BDB Theological Dictionary seems to conclude that the shem-part has to do with hashem, or The Name (which would be the name of the Lord, or YHWH) and translates Shemida with The Name Knoweth (and adds a question mark to reflect BDB's never failing uncertainty).