Strong's #4303: promarturomai (pronounced prom-ar-too'-rom-ahee)
from 4253 and 3143; to be a witness in advance i.e. predict:--testify beforehand.
Thayer's Greek Lexicon:
́
promarturomai
1) antetestor
2) to testify beforehand
2a) to make known, predict
Part of Speech: verb
Relation: from G4253 and G3143
Citing in TDNT: 4:510, 564
Usage:
This word is used 1 times:
1 Peter 1:11: "which was in them did signify, when it testified beforehand the sufferings of Christ,"