pecking order

Etymology
.

Noun

 * 1)  The natural hierarchy of social status and dominance occurring in a group of birds.
 * 2) The usually informal hierarchy of authority or command, often partial or approximate, as determined by the especially natural propensity for domination of different members of a specific group over each other, such as older brothers and sisters over their younger siblings.

Translations

 * Danish: hakkeorden
 * Dutch:
 * Finnish: nokkimisjärjestys
 * German:, Hackabstand
 * Icelandic: goggunarröð
 * Polish:
 * Romanian:
 * Russian: неофициа́льная иера́рхия, сложи́вшийся поря́док подчине́ния; поря́док клева́ния
 * Swedish: