Part of speech: Adjective
perceptible by the senses or intellect
Example: things happen in the earth and sky with no discernible cause; the newspaper reports no discernible progress in the negotiations; the skyline is easily discernible even at a distance of several miles
The word "discernable" comes from Middle French discernable.
discern – A related word in the same word family.
able – A related word in the same word family.
Many English words entered through French but originally came from Latin, Arabic, or even Persian.