Sentence:  Against cough and scarceness of breath caused of cold take the drink that it hath been sodden in with Liquorice[,] or that the powder hath been sodden in with dry figs[,] for the same the electuary called dyacalamentum is <WSD>good</WSD>[,] and it is made thus. 
Meaning of the word marked with <WSD> tags:  Useful for a particular purpose; functional.