This is the 13822nd most frequent German word.
erprobt
Tested; proven.
In this sentence, 'erprobt' functions as an adjective describing someone who has been tested and proven skilled or reliable.
Er ist ein erprobter Ingenieur mit viel Erfahrung.
He is a proven engineer with a lot of experience.
Here, 'erprobt' is used as a past participle in the passive construction of the verb 'erproben,' indicating that the device has undergone testing.
Das neue Gerät wurde ausgiebig erprobt, bevor es auf den Markt kam.
The new device was extensively tested before it was released to the market.
In this example, 'erprobt' is used as a characteristic derived from past testing and proof of one's capability in a specific context.