ψυχή

(religion, folklore, also figurative) soul, spirit (essence of a person (or place or thing figuratively) usually thought to consist of one's thoughts and personality); (synecdochic) person; (figuratively) courage, bravery, valour (quality of a confident character not to be afraid or intimidated easily); (entomology) butterfly; (music) sound post (of a string instrument, e.g. the violin)