General :: Replicate A Specific Field?

I have a file containing text. I want to replicate a specific field.For example, I might want to append a copy of the second word of each line to the end of that line.Have: Once upon a midnight dreary, while I pondered weak and weary,Over many a quaint and curious volume of forgotten lore, Want: Once upon a midnight dreary, while I pondered weak and weary, upon Over many a quaint and curious volume of forgotten lore, many Is there a Linux command which will do this? I seek a basic command, not awk, not Perl, because I haven't learned those things yet.