concentrically

adverb

at/relative to a common center (in a concentric manner)

Wiktionary

adv

Etymology: Etymology tree English concentric Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al Middle English -ly Middle English -ally English -ally English concentrically From concentric + -ally.

In a concentric manner