Where does “Coalisland” come from?

Coalisland (English) comes from English Island, from English iland, from Middle English iland, from Old English īeġland, from Old English īeġ, from Proto-West Germanic auwju, from Proto-Germanic awjō, from Proto-Germanic agwjō — water.

Ancestry of “Coalisland”, step by step

Coalisland traces back through two separate lines of ancestry.

via English Island

StepLanguageWordMeaning
1EnglishIslandLong Island (in New York State)
2EnglishilandArchaic form of island
3Middle Englishiland
4Old Englishīeġlandisland
5Old Englishīeġisland
6Proto-West Germanicauwjufloodplain; meadow; island
7Proto-Germanicawjōfloodplain; meadow; island
8Proto-Germanicagwjō
9Proto-Indo-Europeanh₂ékʷeh₂water

via English coal

StepLanguageWordMeaning
1EnglishcoalA black rock formed from prehistoric plant...
2Middle Englishcolcole; coal
3Old Englishcōlcool, cold, tranquil, calm
4Proto-West Germanickōl(ī)cool
5Proto-Germanickōluzcool
6Proto-Germanickalanąto be cold, to freeze
7Proto-Indo-Europeanǵel-to swallow; swallow
Every word from Proto-Indo-European h₂ékʷeh₂Every word from Proto-Germanic agwjōEvery word from Proto-Germanic awjō
Coalisland — Etymology, Origin & Word History | Etymology Explorer