aestas

Etymology
From, with the suffix -tāt-s restored via analogy. The root is from, and has cognates in 🇨🇬, perhaps , Ancient Greek ), Old English . The noun suffix is from Proto-Indo-European.

De Vaan criticizes a prevalent simple etymology from *h₂e-h₂idʰ-teh₂t-s (with an i-reduplicated root) as unfounded, also observing -dʰt- becomes -ss- in Latin rather than -st-, preferring instead *h₂eydʰ-teh₂ts > Proto-Italic *aissāt-s, which then had the suffix -t- consonant restored.

Noun

 * 1) summer

Descendants

 * Dalmatian:
 * Italo-Romance:
 * North Italian:
 * Gallo-Romance:
 * Occitano-Romance:
 * Insular Romance:
 * Gallo-Romance:
 * Occitano-Romance:
 * Insular Romance:
 * Gallo-Romance:
 * Occitano-Romance:
 * Insular Romance:
 * Occitano-Romance:
 * Insular Romance:
 * Insular Romance:
 * Insular Romance: