The word "mixedly" is spelled with the letter combination "-ed" at the end because it is used as an adverb to describe the manner in which something was mixed. The IPA phonetic transcription for "mixedly" is /ˈmɪkstli/. The first syllable "mixt" is pronounced with the short "i" vowel sound /ɪ/ and the "st" consonant cluster with a separate release /st/. The second syllable "ly" is pronounced with a long "e" vowel sound /li/. Together, these sounds create the pronounced word "mixedly".
The word "mixedly" is derived from the word "mixed", which dates back to the 15th century. The etymology can be traced to the Middle English word "mixte" or "myxte", derived from the Old English word "miscian", meaning to mix or mingle. The "-ly" suffix is added to create an adverb form, indicating that something is done in a mixed manner or with a mixture of qualities or characteristics.