IPA: /ɪɡˈzɒdʒənəs/
KK: /ɪɡˈzɒdʒənəs/
Relating to something that comes from outside an organism or system, rather than being produced internally.
The researchers studied the exogenous factors that influence plant growth.
Exogenous → It is formed from "exo-" (from Greek "ἔξω", meaning outside) and "genes" (from Greek "γένος", meaning born of or produced by). The word "exogenous" refers to something that originates from outside an organism or system.
Think of something that is 'born from outside' — 'exo-' means outside, and 'genes' relates to origin or production.