Where did the Latin language get its infinitive verb endings from?

1. What is the origin of the Latin infinitive?
2. What are infinitive endings in Latin?
3. What is the origin of Latin conjugation?
4. How are infinitives recognized in Latin?

What is the origin of the Latin infinitive?

The name is derived from Late Latin [modus] infinitivus, a derivative of infinitus meaning "unlimited". In traditional descriptions of English, the infinitive is the basic dictionary form of a verb when used non-finitely, with or without the particle to.

What are infinitive endings in Latin?

You can see that there are four different possible endings of the infinitive: āre, ēre, ere, and īre.

What is the origin of Latin conjugation?

The word "conjugation" comes from the Latin coniugātiō, a calque of the Greek συζυγία (syzygia), literally "yoking together (horses into a team)".

How are infinitives recognized in Latin?

The infinitive is used in Latin, as in English, as a noun: Errare humanum est = To err is human. When so used, the Latin infinitive is an indeclinable neuter noun. The infinitive is also used in Latin, as in English, to complete the meaning of another verb (complementary infinitive): Possum videre = I am able to see.