Where does “Ras Algethi” come from?

Ras Algethi (English) comes from Arabic رَأْس اَلْجَاثِي, from Arabic رَأْس — head.

Ancestry of “Ras Algethi”, step by step

Step	Language	Word	Meaning
1	Arabic	رَأْس اَلْجَاثِي	the kneeler's head
2	Arabic	رَأْس	head

Ras Algethi — Etymology, Origin & Word History | Etymology Explorer