Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
therefrom is an adverb meaning "from that circumstance or source". It carries 2 recorded senses.
from that place or from there
“proceeded thence directly to college”
“flew to Helsinki and thence to Moscow”
“roads that lead therefrom”
Definitions, synonyms and semantic relations for therefrom come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.