Stammbaum
英文词源
Stammbaum (n.)
German, "family tree," especially of languages, 1939, from Stamm "tree, trunk" (see stem (n.)) + Baum "tree" (see beam (n.)).
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Stammbaum (n.)
German, "family tree," especially of languages, 1939, from Stamm "tree, trunk" (see stem (n.)) + Baum "tree" (see beam (n.)).