Henry George Liddell, Robert Scott, A Greek-English Lexicon, θερα^π-εύω
Fun fact:
θεραπεύω (therapeuō) is where the English words "therapeutic, therapy" come from.
therapy | Etymology, origin and meaning of therapy by etymonline
THERAPY Meaning: "medical treatment of disease," from Modern Latin therapia, from Greek therapeia "curing, healing,… See definitions of therapy.
www.etymonline.com
therapy (n.)
1846, "medical treatment of disease," from Modern Latin therapia, from Greek therapeia "curing, healing, service done to the sick; a waiting on, service," from therapeuein "to cure, treat medically," literally "attend, do service, take care of"