Did you sleep well, if this is to be believed. http://wikitravel.org/en/Swahili_phrasebook
Though on the basis of the literal translation offered, I would have assumed 'how are you?'
Looking at this again, there is no comma in the English. So the person to whom we are speaking is being asked how they roused Emilian from sleep. I'm not sure that's what they meant!
Hi, I am trying to break the word into its part to see the patterns; I am assuming... ume must be the prefix - what does this prefix mean? je must be the suffix - what does this bit mean? and so I am assuming amka is the verb to wake? I am only on the greeting level so this bit hasn't been explained yet!
Hi. Here is the breakdown you asked for.
u + me + amka + je
u : second person singular "you",
me: present perfect tense marker,
amka: verb root from infinitive "kuamka", which means "to wake up",
je : question tag "how".
So loosely put together literally, this would be "you have woken up how" .
I hope that helps.