Where does “interregent” come from?

interregent (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.

interregent (English): A person who discharges the royal functions...

Definitions

  1. A person who discharges the royal functions...

Ancestry of “interregent”, step by step

interregent 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 regent

StepLanguageWordMeaning
1EnglishregentA ruler; One who rules in place of the monarch,...
2Middle Englishregent
3Middle Frenchregentregent
4Old Frenchregentregent one who reigns in the absence of a monarch
5Latinregēnsruling, governing
6Latinregōto rule, govern, direct
7Proto-Italicregō
8Proto-Indo-Europeanh₃réǵetito be straightening, to be setting upright
9Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European -terosEvery word from Proto-Indo-European h₁énterosEvery word from Latin interus