Where does “goldentail” come from?

goldentail (English) comes from English Golden, from Middle English golden, from Middle English gulden, from Dutch gulden, from Middle Dutch guldijn, from Old Dutch guldīn, from Proto-Germanic gulþīnaz, from Proto-Germanic gulþą — to flourish; green, yellow.

Ancestry of “goldentail”, step by step

goldentail traces back through two separate lines of ancestry.

via English Golden

StepLanguageWordMeaning
1EnglishGoldenOS grid ref SW9246
2Middle EnglishgoldenFormed from gold; Decorated or covered with gold;...
3Middle EnglishguldenAlternative form of gilden
4Dutchguldengolden, made of gold; precious, excellent,...
5Middle Dutchguldijn
6Old Dutchguldīngolden
7Proto-Germanicgulþīnazgolden, made of gold
8Proto-Germanicgulþągold
9Proto-Indo-Europeanǵʰl̥tómgold
10Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

via English Tail

StepLanguageWordMeaning
1EnglishTailA Chinese constellation coinciding with the tail of Scorpius, one of the 28 lunar mansions and the tail of Azure Dragon
2Middle EnglishtaylA tail; The back side or reverse of a creature; A...
3Old Englishtæġltail
4Proto-Germanictagląhair; ponytail; hair of a tail; tail
5Proto-Indo-Europeandoḱ-hair of the tail
6Proto-Indo-Europeandeḱ-take; perceive
Every word from Proto-Indo-European ǵʰelh₃-Every word from Proto-Indo-European ǵʰl̥tómEvery word from Proto-Germanic gulþą