princeps
noun
prin·ceps
ˈprinˌseps,
-iŋˌke-
plural principes
-n(t)səˌpēz,
-ŋkəˌpās
: one that is first: such as
a
: the head of the state under the Roman Empire
b
: any of various chief officials (as the headman of a tribe) among the ancient Teutons and Anglo-Saxons
c
: a first edition of a work
also
: a copy of this edition
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Merriam-Webster unabridged
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