Word: undoing
Part of speech: Noun
Syllables: un
do
ing
Definition: Annulment; reversal
Morphemes:
Affix: un-
Language: en
Meaning: reversal prefix
Affix: do
Language: en
PoS: Noun
Meaning: A deed; an act.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form uncountable nouns from verbs denoting the act of doing something, an action.