Word: yestreens
Part of speech: Noun
Syllables: ye
streens
Definition: Plural of yestreen. The night before.
Morphemes:
Affix: yester-
Language: en
PoS: Prefix
Meaning: Belonging to the day preceding the present; next before the present.
Affix: een
Language: en
Meaning: evening
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).