English

intravolution

From intra- + volution.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁énteros ‘inside, within’

Latin *interus

Latin intrā ‘within’

Proto-Indo-European *welH- ‘to turn, wind, round’

Proto-Italic *wolwō

Latin volvō ‘to turn’

Today it means

noun A turning inwards

Language periods are conventional ranges, not dates for this word.

Etymograph / intravolution