Verily - Vine's Expository Dictionary of New Testament Words
Verily
[ 1,,G230, alethos ]truly" (akin to aletheia, "truth"), is translated "verily" in 1 John 2:5. See INDEED, No. 3, SURELY, TRULY.
[ 2,,G281, amen ]
the transliteration of a Heb. word = "truth," is usually translated "verily" in the four Gospels; in John's Gospel the Lord introduces a solemn pronouncement by the repeated word "verily, verily" twenty-five times. See AMEN.
[ 3,,G3689, ontos ]
"really" (connected with eimi, "to be"), is rendered "verily" in Mark 11:32, RV, and Galatians 3:21. See INDEED, No. 4.
Notes:
(1) In Acts 16:37, gar, "for," is translated "verily."
(2) In Hebrews 2:16, depou (in some texts de pou), a particle meaning "of course, we know," is rendered "verily."
(3) In Luke 11:51, AV, nai, "yea" (RV), is translated "verily."
(4) The particle men (See INDEED, No. 1) is rendered "verily," e.g., in 1 Corinthians 5:3; 1 Corinthians 14:17; Hebrews 12:10; in the AV, Hebrews 3:5; Hebrews 7:5, Hebrews 7:18; 1 Peter 1:20; in Acts 26:9 it is combined with oun ("therefore"): See YEA, No. 4.