Pronunciation: [zˈe͡ɪdə] (IPA) 
The word "Zayda" is spelled with a "z" sound followed by the "ay" diphthong, which is represented by the phonetic symbol /eɪ/. The final "da" sound is represented by the phonetic symbols /d/ and /ə/, which combine to form the vowel-like sound of the schwa. Therefore, the proper pronunciation of "Zayda" is /ˈzeɪdə/. While the spelling may appear unique, it follows common English language phonetic patterns.
The word "Zayda" does not have a clear etymology as it is a relatively uncommon name and its origins are not well-documented. However, it is believed to have Middle Eastern or Arabic roots. "Zayda" could potentially be a variant of the Arabic name "Zaida", which means "increased" or "growth". It might also be derived from the Arabic word "zaid", meaning "abundance". Since names can have various interpretations and origins, it is important to note that the etymology of "Zayda" can vary depending on cultural and regional contexts.
