αὐτόπτις
From LSJ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
Spanish (DGE)
ἡ la testigo ocular (θέα) Sch.Er.Il.2.807 (p.172).
Translations
eyewitness
Augenzeugin; Greek: αυτόπτης μάρτυρας; Ancient Greek: αὐτόμαρτυς, αὐτόπτις; Italian: testimone oculare; Latin: arbitra; Spanish: testigo ocular