Respected Impossible, thank you very much for such comprehensive reply.
yes this is the word "Phyrric", i came across this word while studying old book of wars. This word was in composite form, like.,

"Phyrric-Triumph",

From your source definition, it signifies that Imaginary victory referes to "Phyrric Triumph" and it sounds the same in that contaxt.

Book: 48 Laws of Power
Author: Robert Greene
Page No: 231.

Please give me the source of your defintion. it seems to be absolutely correct.

Thanks,