whetted russian

• навострённый

  sharpened, whetted, honed

  pricked up (ears), alert, attentive

  sharp, cunning, shrewd, astute

• точи́вший

  sharpening, having sharpened, grinding, having ground, whetting, having whetted

  gnawing, having gnawed, eroding, having eroded, wearing away, having worn away