Where does “interequinoctial” come from?

interequinoctial (English) comes from English equinoctial, from English equinoxial, from English equinox, from French équinoxe, from Old French equinoce, from Medieval Latin equinoxium, from Latin aequinoctium, from Latin -ium — Creates adjectives from noun or verb stems.

interequinoctial (English): Coming between the equinoxes

Definitions

  1. Coming between the equinoxes

Ancestry of “interequinoctial”, step by step

interequinoctial traces back through two separate lines of ancestry.

via English equinoctial

StepLanguageWordMeaning
1EnglishequinoctialOf or relating to the spring or autumnal equinox;...
2EnglishequinoxialAlternative form of equinoctial: of or related to...
3EnglishequinoxThe intersection of the apparent path of the sun...
4Frenchéquinoxeequinox
5Old Frenchequinoce
6Medieval Latinequinoxium
7Latinaequinoctiumequinox
8Latin-iumSuffix used to form abstract nouns, sometimes...
9Latin-iusforming adjectives from nouns; nominative neuter...
10Proto-Italic-jōsForms comparative adjectives
11Proto-Indo-European-yósCreates adjectives from noun or verb stems

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
Every word from Proto-Indo-European -yósEvery word from Latin -iumEvery word from Latin -ius