What does Ahmad mean?
From the root h-m-d (ح-م-د, 'to praise'), a superlative meaning 'most praiseworthy, most commendable'. It shares its root with the name Muhammad and is itself cited as one of the names of the Prophet. Also spelled Ahmed.
What does Hamza mean?
Commonly understood as 'lion', and also 'strong, steadfast'. Linked to the root h-m-z and to a plant with a sharp, pungent taste. Borne by Hamza ibn Abd al-Muttalib, the Prophet's uncle, called 'Lion of God'.