Everlasting - Vine's Expository Dictionary of New Testament Words
Everlasting
[ 1,,G166, aionios ]See ETERNAL.
[ 2,,G126, aidios ]
denotes everlasting" (from aei, "ever"), Romans 1:20, RV, "everlasting," for AV, "eternal;" Jude 1:6, AV and RV "everlasting." Aionios, should always be translated "eternal" and aidios, "everlasting." "While aionios ... negatives the end either of a space of time or of unmeasured time, and is used chiefly where something future is spoken of, aidios excludes interruption and lays stress upon permanence and unchangeableness" (Cremer).