The correct spelling of "am roused" is /æm raʊzd/. The word "am" refers to the present tense of the verb "to be". "Roused" is the past participle form of the verb "to rouse", meaning to awaken or stir up. The sound /æ/ is pronounced as in the word "cat", while /raʊzd/ is pronounced with the vowel sound /aʊ/ as in the word "house", and the consonant sound /z/ as in the word "jazz". Overall, the pronunciation of "am roused" is /æm raʊzd/.
The phrase "am roused" does not have a distinct etymology as it is a combination of two simple words: "am" and "roused". However, the word "roused" has its etymology in the Middle English word "rowse", which meant "to shake" or "to stir", derived from the Old Norse word "rausa". Over time, it evolved to its current form and retained its meaning of being awakened, excited, or inspired.