Where does “southbridge” come from?

southbridge (English) comes from English South, from French sud, from Middle French sud, from Old French sud, from Old English sūþ, from Proto-Germanic sunþrą, from Proto-Indo-European sóh₂wl̥ — sun.

southbridge (English): A secondary microchip connected to the CPU only...

Definitions

  1. A secondary microchip connected to the CPU only...

Ancestry of “southbridge”, step by step

southbridge traces back through two separate lines of ancestry.

via English South

StepLanguageWordMeaning
1EnglishSouthAny of various particular regions named for the cardinal direction in which they lie
2Frenchsudsouth
3Middle Frenchsudsouth
4Old Frenchsudsouth
5Old Englishsūþsouth
6Proto-Germanicsunþrąsouth; south, southward
7Proto-Indo-Europeansóh₂wl̥sun

via English Bridge

StepLanguageWordMeaning
1EnglishBridgeOS grid ref TR1854. Recorded as Brige in 1086 (DB), from
2Middle EnglishbriggeA bridge
3Old Norsebryggjapier, gangway
4Proto-Germanicbrewwanąto brew
5Proto-Indo-Europeanbʰrewh₁-to boil; to brew
6Proto-Indo-Europeanbʰer-to bear, carry
Every word from Proto-Indo-European sóh₂wl̥ →Every word from Proto-Germanic sunþrą →Every word from Old English sūþ →