Talk:Recollections/@comment-28195974-20160518173921/@comment-26044227-20160519012355

It's a term of politeness. My guess is that Kasen is being respectful to Sayo because one of Sayo's previous owners was Hosokawa Yuusai, Hosokawa Tadaoki's father. Hosokawa Tadaoki in turn was Kasen Kanesada's most famous master, and the one he takes after.