Where does “ante anu” come from?

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

Ancestry of “ante anu”, step by step

ante anu traces back through two separate lines of ancestry.

via Latin ante

Step	Language	Word	Meaning
1	Latin	ante	before, in front, forwards; before; before,...
2	Ancient Greek	κλίσις	bending, inclination; a lying down; a place for...
3	Ancient Greek	-σῐς	"suffix forming nouns"
4	Ancient Greek	-τις	retained after dentals
5	Proto-Indo-European	-tis	Derives abstract/action nouns from verb roots

via Latin annum

Step	Language	Word	Meaning
1	Latin	annum	accusative singular of annus; year

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