Why the name antibiotic penicillin was important?

The name "antibiotic penicillin" is significant because it denotes the first discovered antibiotic, revolutionizing medicine and the treatment of bacterial infections. Named after the mold Penicillium notatum from which it was derived, penicillin marked the beginning of the antibiotic era, drastically reducing mortality rates from bacterial diseases. Its discovery by Alexander Fleming in 1928 paved the way for the development of numerous other antibiotics, fundamentally changing healthcare and enabling effective treatments for infections that were once fatal.