Caawo
No. Caawo is Somali in origin; while its meaning (dawn) corresponds to Arabic concepts like 'fajr' or 'sahar', the name itself is a Somali lexical item used in Somali-speaking Muslim communities.
No. Caawo is not a Quranic or Prophetic name. Its acceptance in Islamic naming stems from its good, permissible meaning.
In Somali orthography the letter 'C' represents the sound /ʕ/ (ayn). So Caawo begins with a voiced pharyngeal approximant, approximated in Latin letters as ʻAah-wo.
Caawo is relatively rare outside Somali communities but remains in use within Somali families and diasporas; its rarity contributes to its classical, distinctive appeal.
Yes. Related names by meaning include Arabic 'Sahar' or 'Fajr' and Somali 'Subax'; these share the dawn/morning semantic cluster.