Where does “panghiro” come from?

panghiro (Tagalog) comes from Tagalog hiro, from Spanish giro, from Latin gȳrus, from Ancient Greek γῦρος, from Ancient Greek μίτρα, from Proto-Indo-European mey- — to strengthen; to bind; to change, exchange.

Ancestry of “panghiro”, step by step

Step	Language	Word	Meaning
1	Tagalog	hiro	gyration; rotation
2	Spanish	giro	turn, spin; tour; giro, a money transfer
3	Latin	gȳrus	circle
4	Ancient Greek	γῦρος	ring, circle
5	Ancient Greek	μίτρα	A metal guard worn round the waist; A maiden's...
6	Proto-Indo-European	mey-	to strengthen; to bind; to change, exchange

Every word from Proto-Indo-European mey- →Every word from Ancient Greek μίτρα →Every word from Ancient Greek γῦρος →