Where does “Gold Coaster” come from?

Gold Coaster (English) comes from English Gold Coast, from English coast, from Middle English coste, from Old French costé, from Latin costātus, from Latin costa, from Proto-Indo-European kost-.

Ancestry of “Gold Coaster”, step by step

Gold Coaster traces back through two separate lines of ancestry.

via English Gold Coast

StepLanguageWordMeaning
1EnglishGold CoastThe region was later incorporated into the eponymous British colony, that later became Ghana
2EnglishcoastThe edge of the land where it meets an ocean,...
3Middle Englishcoste
4Old Frenchcostéside
5Latincostātusribbed
6Latincostaa rib; a side, a wall
7Proto-Indo-Europeankost-

via English ER

StepLanguageWordMeaning
1EnglishERThe statistic "Earned Run"; Initialism of...
2Turkisherearly; brave; man, male
3Ottoman Turkishایرsaddle, a seat for a rider placed on the back of a horse or other animal
4Old Anatolian Turkishایرearly, at a time in advance of the usual or expected event
5Proto-Turkicēdersaddle
Every word from Proto-Indo-European kost-Every word from Latin costaEvery word from Latin costātus