LET'S LEARN HEBREW
'(<a href="http://www.j-archive.com/media/2007-12-14_DJ_11.jpg" target="_blank">Jon of the Clue Crew shows a Hebrew word on a monitor.</a>) Hebrew is based on 3-letter roots.  The equivalent of "S", "D", "R" gives us "Sidrah", a Torah reading, "Siddur", a prayer book, and this word for a special meal'
seder