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aestas

summer season

summertime

aestas estas

aeßtas

καλοκαίρι

estiu

θέρος

Frequency

Pronounced as (IPA)

[ˈae̯s.taːs]

From Proto-Italic *aissāts, with the suffix -tāt-s restored via analogy. The root is from Proto-Indo-European *h₂eydʰ- (“burn; fire”), and has cognates in Latin aestus, perhaps aedis, Ancient Greek αἴθω (aíthō)), Old English ād (“pyre”). The noun suffix is from Proto-Indo-European *-teh₂ts. 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.