ur-defenses

ur-de·fens·es

(yūr'dē-fens'ĕz),
A rarely used term for primitive defenses.
[Ger. ur-, primitive, earliest, + defenses]

ur-de·fens·es

(ŭr'dĕ-fens'ĕz)
Fundamental beliefs essential to human psychological integrity (e.g., religion, science).
[Ger. ur-, primitive, earliest, + defenses]