Word: twentieth
Part of speech: Adjective
Syllables: twen
ti
eth
Definition: The ordinal form of the number twenty.
Morphemes:
Affix: two
Language: en
PoS: Noun
Meaning: The digit/figure 2.
Affix: -ty
Language: en
PoS: Suffix
Meaning: Nonproductive suffix indicating single-digit integer multiples of ten
Affix: -eth
Language: en
PoS: Suffix
Meaning: used to create ordinal numbers from cardinal numbers ending in -y namely the multiples of ten (other than ten itself): 20, 30, 40, 50, 60, 70, 80, and 90; e.g. twentieth, thirtieth.