"Mchana mwema Esther"
Translation:Have a good afternoon Esther
It depends on what noun class the modified noun falls under. Afternoon (mchana) is under the m-mi class, while morning (asubuhi) is under the n-class. Cf https://en.wiktionary.org/wiki/Appendix:Swahili_noun_classes and https://en.wiktionary.org/wiki/ema#Inflection
Western first names are fairly common in many parts of Africa. Especially Biblical names like Esther.
Woow, neocolonialistc thinking! So, names originating from the Middle East more than 2000 years ago are now western names? And African languages adopted them from European languages?