Where does “Dinagat Islands” come from?

Dinagat Islands (English) comes from English islands, 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 — water.

Ancestry of “Dinagat Islands”, step by step

Dinagat Islands traces back through two separate lines of ancestry.

via English islands

StepLanguageWordMeaning
1Englishislandsplural of island; Third-person singular simple...
2EnglishIslandLong Island (in New York State)
3EnglishilandArchaic form of island
4Middle Englishiland
5Old Englishīeġlandisland
6Old Englishīeġisland
7Proto-West Germanicauwjufloodplain; meadow; island
8Proto-Germanicawjōfloodplain; meadow; island
9Proto-Germanicagwjō
10Proto-Indo-Europeanh₂ékʷeh₂water

via English Dinagat

StepLanguageWordMeaning
1EnglishDinagat
Every word from Proto-Indo-European h₂ékʷeh₂Every word from Proto-Germanic agwjōEvery word from Proto-Germanic awjō