Word: whereupon
Part of speech: Conjunction
Syllables: where
up
on
Definition: Upon which.
Morphemes:
Affix: where-
Language: en
PoS: Prefix
Meaning: Which, what, whom: compounded with prepositions to form compound relative and interrogative pronouns.
Affix: up
Language: en
Meaning: adverb
Affix: on
Language: en
Meaning: preposition