The English word spirit is from Latin spiritus: "breath"
Spirit is 'breath-consciousness'
For example, when you realise you are dangerously angry, you decide to calm down. You sit still and take some consciousness breaths until you calm down. That state of clear mental awareness & equipoise (clear consciousness) that is naturally connected with your life giving healing & cleansing breath is "spirit"
Soul is the emotional part of the mind, which, dependent on its beliefs & views, generates emotions such as anger, greed, selfishness, love, compassion, considerate, patience, etc
