picayune /`pĭk.ə.yūn/
…adjective: 1. Trivial; unimportant. 2. Quarrelsome.
…noun: A trivial thing.
[fr. Louisiana French picaillon, a little coin, fr. French fr. Provencal picaioun fr. picaio, money, fr. Old Provencal piquar, to clank {as in clanking money}, fr. Vulgar Latin *piccāre, onomatopoetic]