Where does “shiriki” come from?

shiriki (Swahili) comes from Arabic شارك, from Arabic ر, from Arabic رَأَى — to see.

Ancestry of “shiriki”, step by step

Step	Language	Word	Meaning
1	Arabic	شارك	to share, to participate; to form a partnership,...
2	Arabic	ر	second-person masculine singular active...
3	Arabic	رَأَى	to see

shiriki — Etymology, Origin & Word History | Etymology Explorer