G4867–συναθροίζω–sunathroizō

And when he became clear about this, he went to the house of Mary, the mother of John named Mark, where a number of them had come together for prayer.

συνηθροισμένοι sunēthroismenoi “gathered together”

Whom he got together, with other workmen of the same trade, and said to them, Men, it is clear that from this business we get our wealth.

συναθροίσας sunathroisas “having brought together”