"The palm branch is a symbol of victory, triumph, peace, and eternal life originating in the ancient Near East and Mediterranean world. The palm (Phoenix) was sacred in Mesopotamian religions, and in ancient Egypt represented immortality. In Judaism, the lulav, a closed frond of the date palm is part of the festival of Sukkot. A palm branch was awarded to victorious athletes in ancient Greece, and a palm frond or the tree itself is one of the most common attributes of Victory personified in ancient Rome.
In Christianity, the palm branch is associated with Jesus´ Triumphal Entry on Palm Sunday, when, according to John´s gospel, "they took palm branches and went out to meet Him" (12:13 HCSB). Consequently, palms are not mentioned in any of the other three canonical gospel accounts. The palm seems to have been adopted into Christian iconography to represent victory, i.e. that of martyrs, or the victory of the spirit over the flesh." - (en.wikipedia.org 30.09.2019)
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