The word "reddour" is a variant spelling of the word "redour," which means "terror" or "fear." The IPA phonetic transcription of this word is /rɛdɔr/. The spelling of this word may be confusing as the letter "d" is placed between two letters "r." However, this spelling is derived from the Old French word "redour" and is still used in some dialects. It is important to note that this spelling variant may not be recognized by all English dictionaries.