Word: backbreaking
Part of speech: Adjective
Syllables: back
break
ing
Definition: Of work, very physically tiring.
Morphemes:
Affix: back
Language: en
PoS: Noun
Meaning: Effort, usually physical.
Affix: break
Language: en
PoS: Verb
Meaning: To interrupt or cease one's work or occupation temporarily.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form uncountable nouns from verbs denoting the act of doing something, an action.