Strong's #5039: tekmerion (pronounced tek-may'-ree-on)

neuter of a presumed derivative of tekmar (a goal or fixed limit); a token (as defining a fact), i.e. criterion of certainty:--infallible proof.

Thayer's Greek Lexicon:

́

tekmērion

1) that from which something is surely and plainly known

2) on indubitable evidence, a proof

Part of Speech: noun neuter

Relation: from a presumed derivative of tekmar (a goal or fixed limit)

Usage:

This word is used 1 times:

 

Acts 1:3: "passion by many infallible proofs, being seen of them forty days,"