" effacement "

[Noun]  | "ef*face*ment" | \ i-ˈfās-mənt \

1: the act or process of effacing or eliminating something; especially : reduction to insignificance

2: the thinning or obliteration of tissue or narrowing of an internal anatomical space; especially : the shortening and thinning of the uterine cervix during labor so that only the external orifice remains

Origin: 1753 ;

[Noun]  | "self-ef*face*ment" | \ ˌself-i-ˈfās-mənt \

1: the placing or keeping of oneself in an inconspicuous role or position especially due to modesty or shyness

Origin: 1853 ;

[Verb]  | "ef*face" | \ i-ˈfās \

1: to eliminate or make indistinct by or as if by wearing away a surface; also : to cause to vanish

2: to make (oneself) modestly or shyly inconspicuous

Origin: 15th century ;

 Middle English, from Anglo-French esfacer, effacer, from e- + face face;

[Noun]  | "effacement" 

[Verb]  | "efface"