(めぐ)って

をめぐって
expression
concerning; surrounding; over (an issue)
grammatical
1. concerning; surrounding; over (an issue)
Marks a topic that is the focus of dispute, debate, negotiation, or strong interest. Typically links a contested noun to a verb describing argument, discussion, conflict, or competition. The full noun-modifying form is をめぐる.
The brothers are fighting over the inheritance.
Debate continues over the new bill.
Each club is engaged in intense negotiations over that player's transfer.

The te-form of (めぐ) (to go around). As a grammatical pattern it frames a noun as the central issue around which some action — typically a contentious or active one — revolves.

Forms

Typical verbs

Register

Neutral to formal, very common in newspaper headlines and news reports. In casual conversation について is more typical for general topics; をめぐって is reserved for situations involving genuine contention or strong interest.