Amkia is translated in English depending on the context you’re referring to:

• Amkia (amkua, sabahi, salimu mtu; julia mtu hali) ni: greet, accost, salute.
• Amkia (mkesha wa; tangulia siku fulani) ni: the eve of; a day that precedes a certain day.

https://mhariri.com/kamusi/maana-ya-maneno/maana-ya-neno-amkia-na-english-translation/