English

intraregnal

From intra- + regnal.

Proto-Indo-European *h₁én ‘in’

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

Latin *interus

Latin intrā ‘within’

Latin rēgnum ‘kingdom, realm, throne’

Medieval Latin rēgnālis

Today it means

adj Within a reign

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

Etymograph / intraregnal