Where does “desidero” come from?

desidero (Italian) comes from Italian desiderio, from Latin Desiderius, from Latin desiderium, from Latin -ium, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

desidero (Italian): Archaic form of desiderio; first-person singular...

Definitions

  1. Archaic form of desiderio; first-person singular...

Ancestry of “desidero”, step by step

desidero traces back through two separate lines of ancestry.

via Italian desiderio

StepLanguageWordMeaning
1Italiandesideriowish, desire, longing
2LatinDesiderius
3Latindesideriumlonging, desire, wish; grief, regret; need,...
4Latin-iumSuffix used to form abstract nouns, sometimes...
5Latin-iusforming adjectives from nouns; nominative neuter...
6Proto-Italic-jōsForms comparative adjectives
7Proto-Indo-European-yósCreates adjectives from noun or verb stems

via Italian desiderare

StepLanguageWordMeaning
1Italiandesiderareto wish, to want, to like, to desire, to long
2Latindēsīderāre
Every word from Proto-Indo-European -yós