“עֵץ-חַיִּים הִיא, לַמַּחֲזִיקִים בָּהּ; וְתֹמְכֶיהָ מְאֻשָּׁר”
“She is a tree of life to those who lay hold of her; those who support her are called blessed (happy).”
The Zohar teaches us that ‘Tree of Life’ is the Torah. The meaning of the word Torah is ‘a Guide’ ‘giving direction’, ‘revelations’. It is called Torah תורה because it reveals what is concealed and unknown. It is called ‘life’ because the life force of the upper levels is included in the Torah and comes out of it.
Those who hold the Torah hold the life force of the upper levels and bring it down to this world.
‘Those who support her’ are people who give money to those who study the Torah and reveal light. That light benefits all people and those who give money for it support the continuation of light in their lives.
The Zohar explains that מאושר, ‘happy’ when rearranging the letters we get the word ‘מראשו’, ‘from its head’ that is Chokmah.