The Macrolides are a group of Antibiotics whose activity stems from the presence of a macrolide ring and a large lactone ring in their structure. The most commonly-prescribed Macrolides are:
... in the second line is a compound
of "mat" (me) and "stha" (standing, staying at) and
means "they are in me".
"-aham" (I) in the second line is nominative. na caaham = ...