There still shines the most important nuance by virtue of...

There still shines the most important nuance by virtue of which the noble felt themselves to be men of a higher rank. They designate themselves simply by their superiority in power (as "the powerful," "the masters," "the commanders") or by the most clearly visible signs of this superiority, for example, as "the rich," "the possessors" (this is the meaning of 'Arya,' and of corresponding words in Iranian and Slavic).