an eyewitness: someone who personally saw the events and can report them at first hand
The word is built from "self" plus "see," so at its root it means a self-seer: a person who saw something with their own eyes rather than only hearing about it from someone else. Greek writers used it for people who could vouch for a report because they had actually been there.
It appears only once in the New Testament, in Luke's opening sentence, where he says the gospel account was handed down by those who "from the beginning were eyewitnesses and servants of the word." Luke is not claiming to be one of them; he places himself among those who received the story from them. The word does its work by anchoring his book to people who watched the events happen.
In the wider Greek world this was the language of careful historians like Herodotus, Polybius, and Josephus, who backed their accounts by insisting they wrote from what they had seen for themselves rather than from rumor or from books. By choosing it, Luke signals that his gospel rests on firsthand reports, the strongest kind of evidence his readers recognized.
Disputed
What associations the noun carries in Luke's preface: whether it signals the technical vocabulary of Greek historiography (the autopsia ideal of Polybius, Josephus, and Lucian) or a broader Hellenistic norm of firsthand knowledge that is equally at home in medical, geographical, and technical prose. The lexical sense (a firsthand observer) is not in dispute; the question is the register the word evokes and therefore how pointed Luke's methodological claim is.
- majorityIn a preface attaching a source-claim to a narrative of recent events, the noun evokes the historiographic tradition of firsthand observation more sharply than any other parallel, so Luke is aligning his work with writers like Polybius and Josephus.; David E. Aune, Luke 1.1-4: Historical or Scientific Prooimion?, in Paul, Luke and the Graeco-Roman World (JSNTSup 217); Sean A. Adams, Luke's Preface and Its Relationship to Greek Historiography, JGRChJ 3 (2006); Richard Bauckham, Jesus and the Eyewitnesses (2nd ed., 2017), ch. 6
- minorityThe specific noun is not the badge of the historian (only two extant historiographic prefaces use it methodologically), and Luke's preface matches the register of Greek technical or scientific manuals better, so the word points to a general Hellenistic norm of firsthand knowledge rather than a self-conscious historiographic claim.; Loveday Alexander, The Preface to Luke's Gospel (SNTSMS 78), 34, 120-22