Origin: Ger, lit., sea foam (< meer, sea + schaum, foam), transl. of ML spuma maris, orig. used of coral, calque of Gr halos hachnē: name transferred in 18th-c. Ger to a variety of lithomarge
See meerschaum in American Heritage Dictionary 4
Origin: : Meer, sea (from Middle High German mer, from Old High German mari; see mori- in Indo-European roots)
Origin: + Schaum, foam (from Middle High German schūm, from Old High German scūm; see (s)keu- in Indo-European roots).
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