Where does “interparenthetical” come from?

interparenthetical (English) comes from English inter, from Middle English enteren, from French entrer, from Middle French entrer, from Old French entrer, from Latin intrō, from Latin intra, from Latin interus — Contrastive or oppositional adjectival suffix.

interparenthetical (English): Within parentheses

Definitions

  1. Within parentheses

Ancestry of “interparenthetical”, step by step

interparenthetical traces back through two separate lines of ancestry.

via English inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix

via English parenthetical

StepLanguageWordMeaning
1Englishparentheticalusing, containing, or within parentheses; that...
2EnglishALInitialism of assembly language; Initialism of...
3Dutchalall, all of; already; yet
4Middle Dutchalall, all of; completely; even though, no matter...
5Old Dutchāl
6Proto-West Germanicallall
7Proto-Germanicallazall
8Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European -teros