Where does “retrospectively” come from?

Retrospectively comes from English retrospect combined with the English adverbial suffix -līċ, derived from Latin -ivus and Latin retro meaning backward, ultimately from Proto-Indo-European ḱóm.

retrospectively (English): In a retrospective manner

Definitions

  1. In a retrospective manner

Ancestry of “retrospectively”, step by step

StepLanguageWordMeaning
1EnglishretrospectiveOf, relating to, or contemplating the past;...
2Latinretrospectus
3LatinretrospicioI look back at
4Latinretrōback, backwards, behind
5Latindūcere
6Proto-Italicdoukōlead
7Proto-Indo-Europeandéwketi
8Proto-Indo-Europeandewk-to pull, to draw; to lead
Every word from Proto-Indo-European dewk-Every word from Proto-Indo-European déwketiEvery word from Proto-Italic doukō