Irfan (Arabic/Persian/Urdu: عرفان; Turkish: İrfan), literally ‘knowledge, awareness, wisdom’, is a concept in Islamic mysticism akin to gnosis, or spiritual knowledge.
Ish
איש Ish – is a word that signifies man in Hebrew, and is also the masculine aspect of the fire (Fire in Hebrew is אש Esh)
Isha
Ishim
The word אישים Ishim relates to the fires of the central column of the Tree of Life, which relates to our spinal column and to our three brains as follows: Aleph is the intellectual brain, Shin is the emotional brain and Mem the motor, instinctual sexual brain. The two Iods of the word belong to the two creative powers: the throat and the genitalia.