suntereo describes keeping something intact or safe, including retaining declarations in the heart.

The attested uses show keeping intact or safe, whether Herod keeps John safe and new wineskins preserve both wine and containers, with a more inward use for Mary retaining declarations as she ponders them in her heart.

1. Keeping safe or intact · dominant

   In Mark 6:20, the imperfect active form occurs in the clause about Herod and John; the APB renders that clause "he kept him safe." In Matthew 9:17, the present passive plural form concerns new wine and new wineskins, and the APB concludes that "both are preserved."

   Mark 6:20Matthew 9:17
2. Retaining declarations in the heart · occasional

   In Luke 2:19, the imperfect active form is linked with Mary, "all these declarations," and her pondering them in her heart; the APB renders the clause "Mary kept all these declarations."

   Luke 2:19

In the Anselm Project Bible: The APB varies its presentation across the clauses: "kept all these declarations," "kept him safe," and "both are preserved." These phrases confirm the respective clauses rather than establish separate English equivalents.