Where does “Sunnyvale” come from?

Sunnyvale is a modern English place name combining sunny, from Latin sōl meaning sun via Proto-Indo-European sóh₂wl̥, and vale, from Latin vallis meaning valley.

Ancestry of “Sunnyvale”, step by step

Sunnyvale traces back through two separate lines of ancestry.

via English sunny

StepLanguageWordMeaning
1EnglishsunnyFeaturing a lot of sunshine; Receiving a lot of...
2Middle EnglishsunniFull of or illuminated by sunlight; sunny
3Middle English-yDesignates an adjective, in many cases formed by...
4Middle English-ienForms nouns and adjectives denoting origin, association, or residence; -ian
5Old English-ianForms verbs from nouns and adjectives
6Old English-ōjan
7Proto-West Germanic-ōnCreates denominative verbs from nouns; Creates...
8Proto-Germanic-ōnąCreates denominative verbs from nouns; Creates...
9Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
10Proto-Indo-European-yétiCreates intransitive, often deponent,...
11Proto-Indo-Europeanyé-
12Chichewaiyehe, she

via English vale

StepLanguageWordMeaning
1EnglishvaleA valley; Farewell
2Middle Englishvalevalley depression between hills
3Old Frenchvalvalley
4Latinvallisvalley, vale; hollow; dative plural of vāllum
5Proto-Indo-EuropeanwēlH-to roll, to undulate
6Proto-Indo-EuropeanwelH-to turn, to wind
Every word from Chichewa iye
Sunnyvale — Etymology, Origin & Word History | Etymology Explorer