{"era":"current","word":"psychiatric","meaning":"relating to mental illness treatment","children":[{"era":"1800s","word":"psychiatry","meaning":"study of mental illness","children":[{"era":"classical","word":"psycho-","meaning":"mind, soul","children":[{"era":"800s BCE","word":"ψυχή (psychē)","meaning":"soul, spirit, mind","children":[{"era":"pre-3000 BCE","word":"*bhes-","meaning":"to breathe, spirit","children":[],"language":"Proto-Indo-European"}],"language":"Ancient Greek"}],"language":"Greek (prefix)"},{"era":"classical","word":"-iatry","meaning":"healing","children":[{"era":"classical","word":"ἰατρός (iatros)","meaning":"healer, physician","children":[{"era":"classical","word":"ἰατρικός (iatrikos)","meaning":"healing","children":[{"era":"pre-3000 BCE","word":"*ieh₂-","meaning":"to heal","children":[],"language":"Proto-Indo-European"}],"language":"Ancient Greek"}],"language":"Ancient Greek"}],"language":"Greek (suffix)"}],"language":"Modern English"}],"language":"Modern English"}