pyrrhic
adjective
[ ˈpɪrɪk ]
• (of a victory) won at too great a cost to have been worthwhile for the victor.
Origin:
late 19th century: from the name Pyrrhus + -ic.
pyrrhic
noun
• a metrical foot of two short or unaccented syllables.
Origin:
early 17th century: via Latin from Greek purrhikhios (pous) ‘pyrrhic (foot)’, the metre of a song accompanying a war dance, named after Purrhikhos, inventor of the dance.