moyan.

Origin: A borrowing from Spanish. Etymon: Spanish moya.

Etymology: < American Spanish moya, of unknown origin. N.E.D. (1908) gives the pronunciation as (mō·ya) /ˈmoja/.

Now rare.

Volcanic mud.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > ejected volcanic material > [noun] > mud

mud lava1804

moya1830

lahar1929

1810 J. Wilson Hist. Mountains III. 837 It appears then natural that volcanoes so elevated, should eject from their mouths..above all, carbonated clays impregnated with sulphur, which are called moya in the language of the country.]

1830 C. Lyell Princ. Geol. I. 410 Streams of water and fetid mud, called ‘moya’, poured out, overflowing and wasting everything.

1856 G. W. Fitch Outl. Physical Geogr. (ed. 5) 48 Fine volcanic sand, loose stones, and other materials,..are swept away, and a vast quantity of mud, called ‘moya’, is thus formed.

1887 R. Brown Our Earth & its Story I. vi. 138/1 During an eruption of Cotopaxi, in June, 1877, villages miles away from the mountain were buried under the moya, mixed with lava, ashes, wood, and all the other debris.

1933 J. W. Flanagan tr. T. Wolf Geogr. & Geol. Ecuador vii. 365 The word ‘moya’ introduced in geology to designate a hard mud of volcanic origin (by true eruptions) must disappear from the books, because in Humboldt's meaning it does not exist.

This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2019).

单词	moya
释义	moyan. Origin: A borrowing from Spanish. Etymon: Spanish moya. Etymology: < American Spanish moya, of unknown origin. N.E.D. (1908) gives the pronunciation as (mō·ya) /ˈmoja/. Now rare. Volcanic mud. ΘΚΠ the world > the earth > structure of the earth > constituent materials > ejected volcanic material > [noun] > mud mud lava1804 moya1830 lahar1929 1810 J. Wilson Hist. Mountains III. 837 It appears then natural that volcanoes so elevated, should eject from their mouths..above all, carbonated clays impregnated with sulphur, which are called moya in the language of the country.] 1830 C. Lyell Princ. Geol. I. 410 Streams of water and fetid mud, called ‘moya’, poured out, overflowing and wasting everything. 1856 G. W. Fitch Outl. Physical Geogr. (ed. 5) 48 Fine volcanic sand, loose stones, and other materials,..are swept away, and a vast quantity of mud, called ‘moya’, is thus formed. 1887 R. Brown Our Earth & its Story I. vi. 138/1 During an eruption of Cotopaxi, in June, 1877, villages miles away from the mountain were buried under the moya, mixed with lava, ashes, wood, and all the other debris. 1933 J. W. Flanagan tr. T. Wolf Geogr. & Geol. Ecuador vii. 365 The word ‘moya’ introduced in geology to designate a hard mud of volcanic origin (by true eruptions) must disappear from the books, because in Humboldt's meaning it does not exist. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2019). < n.1830
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