Where does “огуро́къ” come from?

огуро́къ (Old East Slavic) comes from Old Polish ogurek, from Ancient Greek ἀγγούριον, from Ancient Greek -ῐον, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “огуро́къ”, step by step

Step	Language	Word	Meaning
1	Old Polish	ogurek	—
2	Ancient Greek	ἀγγούριον	Diminutive of ᾰ̓́γγουρον
3	Ancient Greek	-ῐον	diminutive suffix; "suffix forming...
4	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐον →Every word from Ancient Greek ἀγγούριον →