Where does “galon” come from?

galon (Cebuano) comes from English gallon, from Middle English gallon, from Norman galun, from Latin galum, from Vulgar Latin *galla, from Gaulish gallā, from Proto-Germanic gallǭ, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

galon (Cebuano): a gallon; a unit of volume equal to 3 pints; a...