Where does “ἀρρητοποιέω” come from?

ἀρρητοποιέω (Ancient Greek) comes from Ancient Greek ἄρρητος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

ἀρρητοποιέω (Ancient Greek): to practice an unmentionable or shameful vice

Definitions

to practice an unmentionable or shameful vice

Ancestry of “ἀρρητοποιέω”, step by step

ἀρρητοποιέω traces back through two separate lines of ancestry.

via Ancient Greek ἄρρητος

Step	Language	Word	Meaning
1	Ancient Greek	ἄρρητος	unspoken
2	Ancient Greek	ἀ-	The alpha privativum, used to make words that...
3	Proto-Hellenic	hə-	same; together
4	Proto-Indo-European	sm̥-	one; with, together
5	Proto-Indo-European	sem-	together, one

via Ancient Greek ποιέω

Step	Language	Word	Meaning
1	Ancient Greek	ποιέω	To make; To do; To pretend
2	Proto-Hellenic	*kʷoiwéyō	to make

Every word from Proto-Indo-European sem- →Every word from Ancient Greek ἀ- →Every word from Proto-Indo-European sm̥- →