diuretic
noun /ˌdaɪjuˈretɪk/
/ˌdaɪjuˈretɪk/
(medical)- a substance that causes an increase in the flow of urineWord Originlate Middle English: from Old French diuretique, or via late Latin from Greek diourētikos, from diourein ‘urinate’, from dia ‘through’ + ouron ‘urine’.