reciento 5
In addition to the first person singular of the present indicative of the verb recentar that points out our Open Dictionary, it is also used as a noun in places as different as the Canary Islands and Aragon or Cantabria to mean the yeast that activates the fermentation of bread. For my Asturian land they use the word hurmiento, a clear antecedent of the Castilian ferment. In other places in Andalusia they also say the recent .