Fido
/ˈfaɪ.doʊ/noun
A common name for a dog; also used generically for a dog.
Did you know?Fido is a learned Latin-style dog name built from *fīdō* (“I trust”), the same root behind English words like fide and fidelity, turning a pet name into a tiny oath of faith.
Etymological Timeline
Latin
Latin
fīdō
“I trust; I rely on”
Late Latin
Latin
Fidō
“Used as a personal name based on trust/faith”
18th Century
English
Fido
“A conventional dog name, especially a generic one”
Modern English
English
fido
“A dog, especially a pet dog or a generic dog name”