Where does “Tweeddale” come from?

Tweeddale (English) comes from English Dale, from Middle English dale, from Old English dæl, from Proto-West Germanic daili, from Proto-Germanic dailiz, from Proto-Indo-European dʰayl- — part, watershed.

Tweeddale (English): The area drained by the upper reaches of the River Tweed in Scotland

Definitions

  1. The area drained by the upper reaches of the River Tweed in Scotland

Ancestry of “Tweeddale”, step by step

Tweeddale traces back through two separate lines of ancestry.

via English Dale

StepLanguageWordMeaning
1EnglishDalefor someone living in a dale
2Middle EnglishdaleA dale or valley; A hole or barrow
3Old Englishdælpart; valley
4Proto-West Germanicdailipart
5Proto-Germanicdailizpart, portion, deal
6Proto-Indo-Europeandʰayl-part, watershed

via English Tweed

StepLanguageWordMeaning
1EnglishTweeda river in the Scottish Borders area which for part of its length forms the border between Scotland and England. It flows into the North Sea at Berwick-upon-Tweed and Tweedmouth, England
Every word from Proto-Indo-European dʰayl-
Tweeddale — Etymology, Origin & Word History | Etymology Explorer