You will be given a definition of a task first, then some input of the task.
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The word cipher in French is " cifre " and in Medieval Latin " cifra " , from the Arabic " sifr " , meaning ' zero ' .
Output:
The word " cipher " ( minority spelling " cypher " ) in former times meant " zero " and had the same origin : Middle French as " " and Medieval Latin as " cifra , " from the Arabic صفر " sifr " = zero ( see Zero — Etymology ) .