Word: upstairs
Part of speech: Adverb
Syllables: up
stairs
Definition: Up the stairs; on a higher floor or level.
Morphemes:
Affix: up-
Language: en
PoS: Prefix
Meaning: Used to indicate higher position or direction, literally or figuratively.
Affix: stair
Language: en
PoS: Noun
Meaning: A single step in a staircase.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used in the formation of certain English adverbs.