What does "Alterna" mean?

[Impracticable]

Originally Posted by sakamoko

I thought that was a English word, but...

I'm study Latin:

Alternus - Alterna - Alternum

It mean "alternative", "alternate", "one after other"... sometimes "reciprocal"... etc.

Alterna can be singular femenine or plural neuter

Alterna loqui = have a conversation

Yep, my friend who speaks Latin told me a while ago that's where it came from. You are absolutely correct.