The spelling of the word "dressdress" is peculiar, but it can be explained using IPA phonetic transcription. The first "dress" is pronounced with an /ɛ/ sound, as in "pet," while the second "dress" is pronounced with an /i/ sound, as in "nee." This difference in vowel sound is due to the fact that the first "dress" is used as a noun, referring to a type of clothing, while the second "dress" is used as a verb, meaning to put on clothes. The unique spelling of "dressdress" may be confusing at first, but it ultimately reflects the nuances of English pronunciation and grammar.