philo-, phil-, -phile, -philia, -philic, -philous, -phily, -philiac, -philist, -philism
(Greek: love, loving, friendly to, fondness for, attraction to; strong tendency toward, affinity for)
These are just a few of the meanings set up for the etymological meanings of philo- which comes to us from Greek.
In biology, there are many words that use philo-, phil- to mean "thriving in such and such a place or situation; or exhibiting a tendency for a specified condition" for its existence.
Other meanings include: "strongly attracted to; such as, an organism that loves or is strongly attracted to something which is specified".
In psychology and psychiatry, -phile, -philia, etc. use this element as a word termination indicating an abnormal craving or attraction to or an affinity for an object as shown by the word stems to which they are affixed.
2. A description of an orchestra, choir, or society that promotes the study, performance, and appreciation of classical music: There were many people in Sharon's village who loved music so much that they founded a philharmonic club which invited small groups of musicians to come and to perform in their little church.
Every month David's family went to the city to enjoy the philharmonic ensembles, or chamber groups, that performed highly artistic music.

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2. Having a special attraction to or fondness for the study of medicine.

Related "love, fondness" units: agape-; amat-; vener-; venus.