Prothesmia denotes the father-appointed time up to which the heir remains under guardians and stewards.

The attested use marks the time appointed by a father as the limit of an heir's period under guardians and stewards.

1. A father-appointed limit for guardianship · dominant

   In Galatians 4:2, the genitive singular feminine form occurs in the clause placing the heir under guardians and stewards until a time appointed by the father; the APB renders the clause “until the time set by the father.”

   Galatians 4:2

In the Anselm Project Bible: In Galatians 4:2, the APB presents the clause as “until the time set by the father.” This identifies the verse-level presentation rather than a precise one-word rendering.