<p>This dataset focuses on the semantics of more than 25 words (nouns, verbs, adjectives) pertaining to the semantic field SEA in Latin and Ancient Greek. The corpus includes four texts: (i) for Latin, <i>De bello Gallico</i> (Caesar) and <i>Aeneid 1-6</i> (Vergil); (ii) for Greek, <i>Histories 1-2</i> (Herodotus) and <i>Argonautica</i> (Apollonius Rhodius). Data has been extracted after manually annotating the texts through the annotation tool INCEpTION. </p>