Where does “αλογοουρά” come from?

αλογοουρά (Greek) comes from Greek άλογο, from Koine Greek ἄλογον, from Ancient Greek ἄλογος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

αλογοουρά (Greek): tail of a horse; ponytail

Definitions

tail of a horse; ponytail

Ancestry of “αλογοουρά”, step by step

αλογοουρά traces back through two separate lines of ancestry.

via Greek άλογο

Step	Language	Word	Meaning
1	Greek	άλογο	horse; male horse, stallion; knight
2	Koine Greek	ἄλογον	horse, cavalry
3	Ancient Greek	ἄλογος	unreasoning, speechless
4	Ancient Greek	ἀ-	The alpha privativum, used to make words that...
5	Proto-Hellenic	hə-	same; together
6	Proto-Indo-European	sm̥-	one; with, together
7	Proto-Indo-European	sem-	together, one

via Greek ουρά

Step	Language	Word	Meaning
1	Greek	ουρά	tail; queue, line of people
2	Ancient Greek	οὐρά	the tail, of a lion, dog etc; the rear-guard,...
3	Proto-Indo-European	ors-	tail

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