What is the meaning of Aferir?

to contrast the value of weights and measures

to stop or start the mill by means of the aferidoiro

to relate to; to pertain to

to calibrate, to benchmark, to check the accuracy of

to verify (weights, measurements)

to mark, to indicate (the weight of something)

to evaluate, to estimate

to standardize (a test)

Source: wiktionary.org