English

intraresidual

From intra- + residual.

Proto-Indo-European *h₁én ‘in’

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

Latin *interus

Latin intrā ‘within’

Proto-Indo-European *sed- ‘to sit’

…

Latin resideō ‘to remain behind’

Latin residuus ‘remaining, left over’

Latin residuum ‘a remainder’

Old French residu

Today it means

adj Within a residue (in any of several contexts).

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

Etymograph / intraresidual