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.
baptistaphile
A collector of Christian names.
baptistaphilist
barbephile
A collector of barbed wire.
barbephilist
barophile
An organism that thrives under conditions of high hydrostatic or atmospheric pressure.
barophilic
1. In microbiology, relating to or describing a microorganism that grows optimally at high atmospheric pressure; said especially of certain deep-sea bacteria.
2. Thriving under conditions of high hydrostatic or atmospheric pressure.
2. Thriving under conditions of high hydrostatic or atmospheric pressure.
barophily
In biology, thriving under conditions of high hydrostatic or atmospheric pressure; tolerant of weight, said particularly of bacteria growing at great depths in the ocean.
An organism that thrives in deep water: A fish that habitats the very abysmal regions of the sea can be termed to be a bathophile.
bathophilous
bathophily
1. Pertaining to the sea floor between 200 meters and 4 000 meters.
2. A reference to the deep sea.
2. A reference to the deep sea.
A living thing that thrives in the depths of the ocean: Bathyphiles are organisms that do well in the deep parts of the ocean which has a temperature of about 1 - 3°C.
bathyphilous
bawsymbephile
A collector of brothel tickets.
bawsymbephilist
A collector of small swords: Jeff had a strange hobby of gathering together as many different kinds of little sabres, rapiers, and other bladded weapons and even joined a club with other beaupoignophiles.

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