Word: yesternight
Part of speech: Adverb
Syllables: yes
ter
night
Definition: Last night.
Morphemes:
Affix: yester-
Language: en
PoS: Prefix
Meaning: Belonging to the day preceding the present; next before the present.
Affix: night
Language: en
PoS: Verb
Meaning: To spend a night (in a place), to overnight.