Where does “solstitial” come from?

solstitial (English) comes from Latin solstitialis, from Latin sōlstitium, from Latin -ium, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

solstitial (English): Pertaining to a solstice; Occurring on a solstice

Definitions

  1. Pertaining to a solstice; Occurring on a solstice

Ancestry of “solstitial”, step by step

StepLanguageWordMeaning
1Latinsolstitialissolstitial
2Latinsōlstitiumsummer solstice
3Latin-iumSuffix used to form abstract nouns, sometimes...
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “solstitial

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