Leachate

Leachate is the liquid that drains or 'leaches' from a landfill, it varies widely in composition regarding the age of the landfill and the type of waste that it contains. It can usually contain both dissolved and suspended material.
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Water that collects contaminants as it trickles through wastes, pesticides or fertilizers. Leaching may occur in farming areas, feedlots, and landfills, and may result in hazardous substances entering surface water, ground water, or soil.

Eng: leachate
Urdu: تَراوِشی مادّے ۔ ٹھوس فُضلے میں سے رِسنے والے پانی کو آلُودَہ کَرنے والے مادّے ۔