Where does “sibuyas bombay” come from?

sibuyas bombay (Cebuano) comes from Cebuano sibuyas, from Spanish cebolla, from Old Spanish cebolla, from Late Latin cepulla, from Latin cēpa.

sibuyas bombay (Cebuano): an onion; a monocotyledonous plant , allied to...

Definitions

Step	Language	Word	Meaning
1	Cebuano	sibuyas	onion
2	Spanish	cebolla	onion
3	Old Spanish	cebolla	onion
4	Late Latin	cepulla	onion-bed, onion-field; small onion
5	Latin	cēpa	—