I'm looking for prefixes which mean that something emanates/flows/comes from inside / outside, as opposed to existing / being located inside' ('endo-'), or 'existing / being located outside' ('exo-').
Thanks.
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2The problem seems to be that the propositions that express loocaton also express motion to or from that location, so to get the sense your looking for, the prefix has to be affixed to something already (endogenous, for example).– phoogCommented Jun 16, 2015 at 16:23
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1endo-: word-forming element meaning "inside, within, internal," comb. form of Greek endon "in, within," literally "in the house of," . exo- word-forming element meaning "outer, outside, outer part" used from mid-19c. in scientific words (such as exoskeleton), from Greek exo "outside," related to ex "out of" (see ex-). endogenous, exogenous– user66974Commented Jun 16, 2015 at 16:23
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'Endo-' it is then. Of for my purposes 'gen-' kind of fits the bill.– Dale NewtonCommented Jun 16, 2015 at 16:41
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Root-word GEN (genus) meaning Race & Kind of. english-for-students.com/gen.html– user66974Commented Jun 16, 2015 at 16:47
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@Josh61 Yes, 'gen-' is also medical prefix though, coming from Greek 'to produce', which as I say, kind of fits for my purposes.– Dale NewtonCommented Jun 16, 2015 at 16:58
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2 Answers
extra-
prefix: extra-
outside; beyond.
"extracellular"
beyond the scope of.
"extracurricular"
intra-
prefix
(added to adjectives) on the inside; within.
"intramural"
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I'm not sure this is complete, though, we may need a suffix with this. "Extraterrestrial" comes to mind.– Rob_vHCommented Jun 21, 2015 at 2:52
ex- out of, from, away from.
http://www.medilexicon.com/medicaldictionary.php?t=30824
Example: excementosis
Reference for existing use in med-term:
http://medical-dictionary.thefreedictionary.com/excementosis
