En réponse à Roger Mills :

>It's interesting that Span/Port/Ital. preserve the Latin ordinals, even for
>the teens and decades (and so the forms aren't visibly derived from the
>cardinals) whereas French, aside from premier(e), is regular in
>adding -ième.  Does _seconde_ exist as an alternative to deuxième?

"Second" in the masculine. Indeed we have it as an alternative to 
"deuxième". It's usually used only when there are only two things to count, 
so means "second and last".

Christophe Grandsire.

You need a straight mind to invent a twisted conlang.