The Collaborative International Dictionary
Precellency
Precellence \Pre*cel"lence\, Precellency \Pre*cel"len*cy\, n.
[L. praecellentia, from praecellens, p. pr. of praecellere to
excel, surpass: cf. OF. precellence.]
Excellence; superiority. [Obs.]
--Sheldon.
Wiktionary
precellency
n. (context obsolete English) excellence, superiority, preeminence