Complex sentence: The world soul (Greek: ψυχή κόσμου, Latin: Anima mundi) is, according to several systems of thought, an entity which permeates the cosmos and animates all matter, just as the soul animates the human body.
Split into simpler sentences: The world soul (Greek: ψυχή κόσμου, Latin: Anima mundi) has been a component of several systems of thought. Its proponents claim that it permeates the cosmos and animates all matter, just as the soul animates the human body.