Word: underpinning
Part of speech: Noun
Syllables: un
der
pi
nning
Definition: A basis for something.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: pin
Language: en
PoS: Noun
Meaning: A mood, a state of being.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form gerunds, a type of verbal nouns, from verbs.