Meanings (ES + gloss)
afilar
To hone or rub on with some substance, as a piece of stone, for the purpose of sharpening – see whetstone.
Here roams the wolf, the eagle whets his beak.
Why dost thou whet thy knife so earnestly?
estimular
To stimulate or make more keen.
Since Cassius first did whet me against Caesar, / I have not slept.
to whet one's appetite or one's courage