αὐτός

Etymology
According to Beekes, from + ; compare 🇨🇬. Risch derives it from the Ancient Greek reflexes of those words,. Related to 🇨🇬, thus probably representing a common innovation.

Pronoun

 * first/second declension


 * 1)  self
 * 2)  himself, herself, itself, themselves
 * 3)  by or in itself
 * 4)  he, she, it, they
 * 5)  same
 * 1)  same

Usage notes
The intended sense of αὐτός is generally defined by its grammatical context. When used as a lone nominal without an article, it is generally the third person personal pronoun. When appended to a nominal and not possessing the definite article it is "self". When combined with the definite article, either appended to a nominal or on its own, it is "same".

The neuter plural (derived from τὰ αὐτά by ) is distinguished from  "these things" by the accent placement. The two sometimes occur together: