Where does “κουμπότρυπα” come from?

κουμπότρυπα (Greek) comes from Greek κουμπί, from Ancient Greek κομβίον, from Ancient Greek -ῐον, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

κουμπότρυπα (Greek): buttonhole

Definitions

buttonhole

Ancestry of “κουμπότρυπα”, step by step

κουμπότρυπα traces back through two separate lines of ancestry.

via Greek κουμπί

Step	Language	Word	Meaning
1	Greek	κουμπί	button
2	Ancient Greek	κομβίον	—
3	Ancient Greek	-ῐον	diminutive suffix; "suffix forming...
4	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

via Greek τρύπα

Step	Language	Word	Meaning
1	Greek	τρύπα	hole; 2nd person singular present imperfective...
2	Koine Greek	τρῦπα	hole

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