The word "Keclor" is a brand name for a certain antibiotic medication. Its spelling is derived from the generic name "ceclor" which refers to a type of cephalosporin antibiotic. The correct pronunciation of "Keclor" is /ˈkɛklɔr/, with the stress placed on the first syllable "ke". The "c" in "Keclor" is pronounced as /k/ while the "e" and "o" are pronounced as /ɛ/ and /ɔr/ respectively. It is important to spell and pronounce medical terms correctly to avoid confusion and ensure effective treatment.