Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
therefor is an adverb meaning "(in formal usage, especially legal usage) for that or for it". It carries one recorded sense.
(in formal usage, especially legal usage) for that or for it
“ordering goods and enclosing payment therefor”
“a refund therefor”
law
Definitions, synonyms and semantic relations for therefor come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.