sanguine - cheerfully optimistic
fair value - unbiased value of an asset
contango - upward sloping futures curve
backwardation - a futures market scenario where the future price of a commodity is lower than current price
invective - a railing accusation
arms length principle (ALP) - condition stating that the two parties to a contract/agreement are on equal footing and are independent i.e, they are not related in any way, nor do they have common interests. E.g Lehman Bros. and R3 claim to be operating at arms length even though rumours suggest otherwise.
travails - work of intense painful/stressful nature
etymology - branch of linguistics which traces the historical origins of a