Here are some English terms that capture the meaning of "keechad":
* Sludge: This term is often used for a thick, watery mixture of solids and liquids, often found in sewage or industrial waste.
* Mud: This refers to a soft, wet, sticky mixture of soil and water.
* Mire: This describes a boggy, muddy area that is difficult to walk through.
* Slush: This refers to a mixture of snow and water.
The best English translation will depend on the specific context in which "keechad" is being used.