Where does “aptera” come from?

aptera (Translingual) comes from New Latin aptera, from Ancient Greek ἄπτερος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

aptera (Translingual): (Aptera) genus, of South Africa}}

Definitions

(Aptera) genus, of South Africa}}

Ancestry of “aptera”, step by step

Step	Language	Word	Meaning
1	New Latin	aptera	—
2	Ancient Greek	ἄπτερος	wingless
3	Ancient Greek	ἀ-	The alpha privativum, used to make words that...
4	Proto-Hellenic	hə-	same; together
5	Proto-Indo-European	sm̥-	one; with, together
6	Proto-Indo-European	sem-	together, one

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