[link|http://www.dreamerwww.com/fanfilm/fanfilm2.htm|The language of Klaatu.]
Barada - of Latin origin meaning "barbarian", but in context meaning "stop barbarism"
Necto - of Latin (Neco-atus, death, kill, slay) and French origin (to bind, entwine ) "necto", but in context meaning "bring back to life".