IPA: /ˌtɒksɪkəˈlɒdʒɪkli/
KK: /tɑkˌsɪkəˈlɑdʒɪkli/
In a way that relates to the study of the effects of poisons and harmful substances on living organisms.
The researchers examined the chemical's effects toxicologically to understand its impact on health.
Toxicologically → It is formed from "toxic" (from Latin *toxicum*, meaning poison) and "-logy" (from Greek *logia*, meaning study of). The word "toxicologically" refers to the study of poisons and their effects.
Think of 'toxic' meaning poison and '-logy' meaning the study of something — so toxicologically relates to the study of poisons.