enation
Concise Oxford English Dictionary © 2008 Oxford University Press:
enation /ɪˈneɪʃ(ə)n/
▶noun Botany an outgrowth from the surface of a leaf or other part of a plant.
– origin C19: from L. enatio(n-), from enasci ‘issue forth’.
'enation' also found in these Oxford entries:

