STAGNANT WATER

Albanian

ujë i ndenjur (ditch water, standing water). (various references)

Arabic 

‏مياه راكدة (still water). (various references)

Chinese 

渟 , 洿 (dig). (various references)

French

eau lisse. (various references)

German

stehendes wasser. (various references)

Hebrew 

מים עומדים. (various references)

Hungarian

állóvíz (standing water, still water). (various references)

Japanese Kanji 

溜まり水 , 止水 (still water). (various references)

Japanese Katakana 

たまりみず, しすい (still water). (various references)

Pig Latin

agnantstay aterway.(various references)

Serbo-Croatian

ustajala voda (backwater, lasher). (various references)

Spanish

agua estancada (backwater). (various references)

Turkish

durgun su (backwater, dead water, ditchwater, slack, slack water, standing water, still water). (various references)

Welsh

merddwr. (various references)