When i saw yield, i think it is a yell ( A loud, sharp cry, esp. of pain, surprise, or delight; a shout.).Shouting for loop sounds fascinating.Yield however is :
yield (IN SCALA * ) is a result ( as collection ) from for loop
Yield in Scala is just a syntactic sugar** feature.
(It means that this feature was added to make code readability easier or make code better self-explanatory. It can be replaced easily by any map collection, see this post on stackoverflow ,where it is well explained : http://stackoverflow.com/questions/1052476/what-is-scalas-yield/1059501#1059501)
Yield - ( plon,uzysk,wydobycie)
* It has different meaning in some other languagues.
** "syntactic sugar - In computer science, syntactic sugar is syntax within a programming language that is designed to make things easier to read or to express. It makes the language "sweeter" for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer." Wikipedia ( http://en.wikipedia.org/wiki/Syntactic_sugar )