This is the 4491st most frequent German word.
mangelt
"Lacking" or "is missing."
Here 'mangelt' is used to express a deficiency or lack of a specific quality or resource (patience in this case).
Es mangelt ihr an Geduld.
She lacks patience.
In this example, 'mangelt' denotes a shortage of time available for a particular endeavor.
Uns mangelt es an Zeit, die Aufgabe zu erledigen.
We lack the time to complete the task.
The word 'mangelt' here is applied to describe the absence or insufficiency of economic progress in a specific area.