Where does “localhost” come from?

Localhost comes from English local and host, which derives from Middle English oost, from Old French oste, from Latin locus meaning place, ultimately from Proto-Indo-European gʰóstis.

localhost (English): The computer being used locally, contrasted with...

Definitions

  1. The computer being used locally, contrasted with...

Ancestry of “localhost”, step by step

localhost traces back through two separate lines of ancestry.

via English host

StepLanguageWordMeaning
1EnglishhostOne which receives or entertains a guest,...
2Middle Englishhost
3Old Englishhwōstacough; a cough
4Proto-West Germanichwōstōcough
5Proto-Germanichwōstôcough
6Proto-Germanichwōsanąto cough
7Proto-Indo-Europeankʷeh₂s-to cough

via English local

StepLanguageWordMeaning
1EnglishlocalFrom or in a nearby location; Having limited...
2Middle Englishlocal
3Late Latinlocalisbelonging to a place; local; Belong to a place;...
4Latinlocusplace, spot; a passage of literature; "in the...
5Old Latinstlocus
6Proto-Italicstlokos
7Proto-Indo-Europeanstel-to put, to place; to locate
Every word from Proto-Indo-European kʷeh₂s-Every word from Proto-Germanic hwōsanąEvery word from Proto-Germanic hwōstô