Where does “ꦏꦥꦤ꧀” come from?

ꦏꦥꦤ꧀ (Javanese) comes from Old Javanese kapan, from Swahili -apa.

Ancestry of “ꦏꦥꦤ꧀”, step by step

Step	Language	Word	Meaning
1	Old Javanese	kapan	—
2	Swahili	-apa	—