περί

Etymology
From, locative singular of. Cognates include 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, and 🇨🇬.

The genitive is from the PIE ablative of cause. The dative is from the locative. The accusative is like.

Preposition

 * 1) about, concerning, because of
 * 2) around, for, about
 * 3) around (both in the circular sense and close proximity sense), near, about
 * 1) around, for, about
 * 2) around (both in the circular sense and close proximity sense), near, about
 * 1) around (both in the circular sense and close proximity sense), near, about

Etymology
From.

Preposition

 * 1)  about, approximately
 * 2) about, concerning
 * 1) about, concerning

Usage notes

 * In the second sense, the noun following this preposition always uses the genitive case.