The only free and comprehensive online etymological dictionary of the Spanish language
santo (Adjective, Noun) "holy;" "saint"
10th cent. From Latin sanctus 'id.' (Archaic Latin sakros "sacred"). From Proto-Italic *sank-to- "holy," but also "made safe." From Proto-Indo-European *sh2-n̥-k- "to secure," from earlier root *seh2k- 'id.'
San is from santo via apocopation.
Indo-European
Romance
Asturian santu, Portuguese santo, Galician santo, Catalan sant, French saint, Italian santo, Aromanian sãntu, sãmtu, Romanian sânt, Sardinian santu
Italic
Oscan saahtúm "sanctified," Umbrian sanśie, name of the god of trust
Celtic
Celtiberian sankilistara "money-fine"
Basque
Low Navarrese saindu "saint," "holy," Zuberoan sáintü 'id.,' borrowed from Spanish
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The Online Etymological Dictionary of Spanish is a free etymological dictionary of the Spanish language launched on August 6, 2016. An etymology is not a definition but a history of a word over time. This site provides an account of the development of the Spanish language as best as historical linguists are able to ascertain in a way that is accessible both by laymen and academics. If you enjoy using this dictionary, please consider donating to help keep this site alive.