Where does “taxis” come from?

taxis (Latin) comes from Ancient Greek τάξις, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

taxis (Latin): dative plural of taxus; ablative plural of taxus

Definitions

dative plural of taxus; ablative plural of taxus

Ancestry of “taxis”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	τάξις	arrangement, ordering; battle array, order of...
2	Ancient Greek	-σῐς	"suffix forming nouns"
3	Ancient Greek	-τις	retained after dentals
4	Proto-Indo-European	-tis	Derives abstract/action nouns from verb roots

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek τάξις →