Autumn - Vine's Expository Dictionary of New Testament Words

Autumn

[ 1,,G5352, phthinoporinos ]
an adjective signifying autumnal (from phthinoporon, late autumn," from phthino, "to waste away," or "wane," and opora, "autumn"), is used in Jude 1:12, where unfruitful and worthless men are figuratively described as trees such as they are at the close of "autumn," fruitless and leafless (AV, "trees whose fruit withereth").

Vine's Expository Dictionary of New Testament Words