за ваше участие в благовествовании от первого дня даже доныне,
For your fellowship in the gospel from the first day until now;
in view of your participation in the gospel from the first day until now.
because of your partnership in the gospel from the first day until now.
because of your partnership in the gospel from the first day until now,
for your fellowship in the gospel from the first day until now,
for you have been my partners in spreading the Good News about Christ from the time you first heard it until now.
because of your fellowship with the gospel, from the first day until now;