from The Century Dictionary.
- Capable of being emended or corrected.
from the GNU version of the Collaborative International Dictionary of English.
- adjective rare Corrigible; amendable.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Capable of being
Sorry, no etymologies found.
The ones I can think of immediately all seem amenable (and emendable) in this fashion if we understand the 'to be' to mean 'resembles in a limited way.'