Definition
Esar is an alternate form or transliteration of the Roman cognomen "Caesar," originating within the Gens Julia (the Julian family line) of ancient Rome. The title was first associated with Julius Caesar and was subsequently adopted by his successors as a hereditary or dynastic designation indicating supreme imperial authority. In its legal-historical context, Esar appears as a variant spelling encountered in older legal and civil law texts referring to the imperial office or the person holding it.
Why It Matters in Research
Researchers working in Roman law sources, civil law treatises, or early common law texts that draw on Roman imperial authority may encounter this spelling as a transliteration artifact. The variant form "Esar" (alongside "Cæsar," "Caesar," and "Czar" or "Tsar" in later derivative usage) reflects inconsistencies in transcription across centuries of manuscript copying and early print publication. When tracing the legal authority of Roman imperial edicts, rescripts, or constitutions — all of which derive their force from the person and office of the Caesar — recognizing variant spellings is essential to avoid missing relevant source material in corpus searches. A search limited to "Caesar" may fail to surface passages rendered as "Esar" in older transcriptions. This term appears in the supplemental materials to Black's 2nd Edition, signaling that it was considered sufficiently distinct in spelling to warrant its own entry as a cross-reference or clarification rather than as a substantive legal concept in its own right.
Historical Dictionary Support
Black's Law Dictionary (2nd Ed., Supplemental) treats Esar as a variant of the Roman cognomen Caesar, noting its origin as a title within the Gens Julia and its adoption by Julius Caesar's imperial successors. The entry cross-references Taylor's Civil Law as supporting authority. The historical dictionaries do not treat Esar as an independent legal concept; it functions purely as a name and title. There is no divergence among sources on substance — the term carries no contested legal meaning apart from its identification with the imperial office. What the historical sources largely leave unaddressed is the broader significance of the Caesar title as a source of legal authority in Roman constitutional theory: the Caesar was not merely a name but the locus from which imperial constitutions, rescripts, and edicts derived their binding force throughout the civil law tradition.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: Roman Law; Civil Law Tradition; Imperial Constitutions.