noun
oral character
Psychoanalytic term referring to personality traits associated with the oral stage of development, such as dependency or optimism.
フロイトの理論では、口唇性格は依存心が強いとされる。
In Freudian theory, the oral character is said to be highly dependent.
口唇期 refers to the oral stage of psychosexual development, while 口唇性格 refers to the personality type resulting from fixation at that stage.
Compound of 口唇 (oral/labial) and 性格 (character/personality), likely a calque from English 'oral character' used in psychoanalysis.