Where does “retrovaccinate” come from?

retrovaccinate (English) comes from English retro, from French rétro, from French rétroviseur, from French rétro-, from Latin retrō, from Latin dūcere, from Proto-Italic doukō, from Proto-Indo-European déwketi — to pull, to draw; to lead.

retrovaccinate (English): To inoculate a cow with human vaccine virus

Definitions

  1. To inoculate a cow with human vaccine virus

Ancestry of “retrovaccinate”, step by step

retrovaccinate traces back through two separate lines of ancestry.

via English retro

StepLanguageWordMeaning
1EnglishretroOf, or relating to, the past, past times, or the...
2Frenchrétroshortening of rétroviseur, mirror; retro
3Frenchrétroviseurrear-view mirror
4Frenchrétro-retro-, back, behind
5Latinretrōback, backwards, behind
6Latindūcere
7Proto-Italicdoukōlead
8Proto-Indo-Europeandéwketi
9Proto-Indo-Europeandewk-to pull, to draw; to lead

via English vaccinate

StepLanguageWordMeaning
1EnglishvaccinateTreat with a vaccine to produce immunity against...
2English-atehaving the specified thing; characterized by the...
3English-cyUsed to form nouns of state, condition or quality...
4Anglo-Norman-cie
5Latin-tiaoffice, rank
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European dewk-Every word from Proto-Indo-European déwketiEvery word from Proto-Italic doukō