French word patiemment comes from French -ment, French patient (A patient, an outpatient Patient.)

Detailed word origin of patiemment

Dictionary entry	Language	Definition
-ment	French (fra)	Used to form adverbs (from the feminine form of an adjective), most of the time equivalent to the English -wise, -ly. Used to form nouns from verbs, usually of action or state resulting of them. Equivalent to the English -ment.
patient	French (fra)	A patient, an outpatient Patient.
patiemment	French (fra)	Patiently.

Words with the same origin as patiemment