Where does “بجا” come from?

بجا (Arabic) comes from Beja Bidhaawi, from Arabic بَدَوِيّ, from Arabic بَدْو — desert, camp.

Ancestry of “بجا”, step by step

Step	Language	Word	Meaning
1	Beja	Bidhaawi	Beja language
2	Arabic	بَدَوِيّ	bedouin, nomad, herdsman
3	Arabic	بَدْو	desert, camp