For many centuries, from at least the time of Jerome (c. 347 – 420),[24] the term "Chaldean" indicated the Aramaic language and was still the normal name in the nineteenth century.[25][26][27] Only in 1445 did it begin to be used to mean Aramaic speakers in communion with the Catholic Church, on the basis of a decree of the Council of Florence,[28] which accepted the profession of faith that Timothy, metropolitan of the Aramaic speakers in Cyprus, made in Aramaic, and which decreed that "nobody shall in future dare to call [...]