English
exoskarn
From exo- + skarn.
Proto-Indo-European *h₁eǵʰs ‘out of’
Proto-Hellenic *eks
Ancient Greek ἐκ ‘Out of, from’
Ancient Greek ἔξω ‘outer’
English exo-
Proto-Indo-European *sekH- ‘to separate, cut off, distinguish’
Proto-Indo-European *sóḱr̥ ‘dung, excrement’
Proto-Germanic *skarną ‘filth, dung’
Old Norse skarn
Swedish skarn ‘skarn, filth’
English skarn
Today it means
noun A skarn of igneous origin that occurs at and outside the granite that produced it, and is an alteration of wall rock.
Language periods are conventional ranges, not dates for this word.
Etymograph / exoskarn