egredient
/ɪˈɡriːdɪənt/rare
adjective
That goes out or leaves; (Medicine ) conveying outwards, discharging; = efferent.
- Often opposed to ingredient..
Origin
Mid 17th century; earliest use found in David Person (fl. 1635). From classical Latin ēgredient-, ēgrediēns, present participle of ēgredī to go out from ē- + gradī to step, go.