Translation of an ayah from Suratil Baqarah - 10

Please translate the following from Suratil Baqarah searching any new verbs/nouns that have not yet been encountered. Please provide any additional explanation where you see necessary.


قَالَ كَمْ لَبِثْتَ ۖ قَالَ لَبِثْتُ يَوْمًا أَوْ بَعْضَ يَوْمٍ

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السلام عليكم

قَالَ - He said
كَمْ - How much
ۖلَبِثْتَ - did you keep to?*
قَالَ - He said
لَبِثْتُ - I kept to (it)
يَوْمًا - (for) a day
أَوْ - or
بَعْضَ يَوْمٍ - some (of) a day

* لَبِثَ - He stayed in, remained in, kept to

Hmm..I wonder what the situation is...

والسلام