Where does “subintroducendus” come from?
subintroducendus (Latin) comes from Latin subintroduco, from Latin intrōdūcō, from Latin intrō, from Latin intra, from Latin interus, from Proto-Indo-European h₁énteros, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.
Ancestry of “subintroducendus”, step by step