Anatrikian

undefined:

Anatrikian describes a maturity level for headmates that is young and associated with some level of self-reliance but not full independence. This may correspond to the human age of prepubescent children, to juvenile stages in animals, or to a nonhuman equivalent.

Related Terms
Other maturity-based age descriptors are thilikian, neanikian, enilikian, and palaikian.

Syskid or systween may fall into this category.

History
The term comes from the greek "anatrefo" for fledging, and "ilikia" for age.