Where does “interlunation” come from?

interlunation (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.

interlunation (English): The interlunar period; the dark time between the...

Definitions

  1. The interlunar period; the dark time between the...

Ancestry of “interlunation”, step by step

interlunation 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 lunation

StepLanguageWordMeaning
1EnglishlunationA month of an average of approximately 29.53...
2Latinlunatiolunar month, lunation
3Latinlūna
4Old Latinlosna
5Proto-Italiclouksnāmoon
6Proto-Indo-Europeanlówksneh₂moon
7Proto-Indo-Europeanlewḱ-lynx
8Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European -teros