Where does “pepino” come from?

pepino (Bikol Central) comes from Spanish pepino, from Old Spanish pepón, from Latin pepō, from Ancient Greek πέπων, from Proto-Indo-European pékʷeti, from Proto-Indo-European pekʷ-, from Proto-Indo-European h₃-ép-kʷ-.

Ancestry of “pepino”, step by step

Step	Language	Word	Meaning
1	Spanish	pepino	cucumber
2	Old Spanish	pepón	—
3	Latin	pepō	melon (picked ripe)
4	Ancient Greek	πέπων	ripe, softened; good, sweet, kind; weak, cowardly
5	Proto-Indo-European	pékʷeti	to be cooking; to ripen
6	Proto-Indo-European	pekʷ-	to cook; to ripen
7	Proto-Indo-European	h₃-ép-kʷ-	—

Every word from Proto-Indo-European h₃-ép-kʷ- →Every word from Proto-Indo-European pekʷ- →Every word from Proto-Indo-European pékʷeti →