Where does “Summer” come from?

Summer comes from English sum, derived from Kazakh сом, which is traced to Latin sagmarius, combining Latin super meaning "over" with the suffix -arius forming agent nouns.

Summer (English): One of four seasons, traditionally the second,...

Definitions

  1. One of four seasons, traditionally the second,...

Ancestry of “Summer”, step by step

Summer traces back through two separate lines of ancestry.

via Middle English somer

StepLanguageWordMeaning
1Middle Englishsomersummer
2Old Englishsumorsummer
3Proto-West Germanicsumarsummer
4Proto-Germanicsumarazsummer
5Proto-Indo-Europeansm̥m-aro-
6Proto-Indo-Europeansm̥-h₂-ó-
7Proto-Indo-Europeansemh₂-summer, year

via Middle English sumer

StepLanguageWordMeaning
1Middle EnglishsumerAlternative form of somer
Every word from Proto-Indo-European semh₂-
Summer — Etymology, Origin & Word History | Etymology Explorer