Where does “interstudy” come from?

interstudy (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.

interstudy (English): Between studies

Definitions

  1. Between studies

Ancestry of “interstudy”, step by step

interstudy 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 study

StepLanguageWordMeaning
1EnglishstudyTo review materials already learned in order to...
2Germanstudierento study at university or college level; to be a...
3Italianstudiareto study
4Spanishestudiarto study; to examine, look into
5Spanishestudiostudy; studio
6Latinstudiumstudy; eagerness, zeal; desire, fancy
7Proto-Indo-European(s)tewd-to push, to hit
8Proto-Indo-Europeanstew-to praise, laud
Every word from Proto-Indo-European -teros