🔼The name Beth-marcaboth in the Bible
The name Beth-marcaboth belongs to a city which was occupied by the tribe of Simeon (Joshua 19:5, 1 Chronicles 4:31). The cities of Simeon were located in Judah, and most Simeonite cities are also mentioned as part of the inheritance of Judah (Joshua 15) but Beth-marcaboth is an exception to this.
Note that in Joshua 19:5 this name is spelled with a maqqep and the particle of designation in front of the marcaboth-part: בית־המרכבות. In Chronicles this name is spelled בית מרכבות.
🔼Etymology of the name Beth-marcaboth
The name Beth-marcaboth consists of two elements. The first part is identical to the common Hebrew word בית (bayit) meaning house:
The second part of our name is the plural form of the noun מרכבה (markaba), meaning chariot:
For a meaning of the name Beth-marcaboth, NOBSE Study Bible Name List reads House Of The Chariots, Jones' Dictionary of Old Testament Proper Names has House Of Chariots and BDB Theological Dictionary proposes Place Of Chariots.
Note that our name בית מרכבות (Beth-marcaboth) bears a striking resemblance to בית־רכב (Beth-rechab), meaning the House Of Rechab, which was typically not a town because the "sons of Rechab" vowed to never live in one (Jeremiah 35:7).