=1552 BC, Diabetes 1st Described In Writing on 3rd Dynasty Eqyptian papyrus by physician Hesy-Ra: mentions polyuria as a symptom.

=250 BC, Apollonius of Memphis coined the name "diabetes” meaning "to go through" or siphon. He understood that the disease drained more fluid than a person could consume. 

Diabetes Mellitus

-Gradually the Latin word for honey, "mellitus," was added to diabetes because it made the urine sweet.

 -Up to 11th century diabetes was commonly diagnosed by “water tasters” who drank the urine of those suspected of having diabetes, as it was sweet-tasting