stem·ma | \ˈste-mə \
plural stemmata\ˈste-mə-tə \

Definition of stemma 

1 : a simple eye present in some insects

2 : a scroll (as among the ancient Romans) containing a genealogical list

3 : a tree showing the relationships of the manuscripts of a literary work

Other Words from stemma

stemmatic \ste-ˈma-tik, stə- \ adjective

First Known Use of stemma

1826, in the meaning defined at sense 1

History and Etymology for stemma

Latin, wreath, pedigree (from the wreaths placed on ancestral images), from Greek, wreath, from stephein to crown, enwreathe

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The first known use of stemma was in 1826

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one that holds something together

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