Antipenultimate.
It means: not the last one, but the one before the last one. A single word with the same meaning is penultimate.
The word usually used for second to last is 'penultimate'. http://dictionary.reference.com/browse/penultimate
in English- penultimate in Spanish: penúltimo in German: vorletzen in French: pénultième
If there were eight stanzas (verses [sic]) then the second to last one would be the sixth stanza.