This root form (lemma) is used in 2 different forms in the NT: ἐφεστὼς (PEA·NMS), ἐφεστῶτα (PEA·AMS).
It is glossed in 2 different ways: ‘having approached’, ‘having stood_by’.
OET ACTS 22:20 Greek word=ἐφεστὼς (efestōs) Morphology=PEA·NMS English gloss=‘having stood_by’ SR GNT ACTS 22:20 word 15
OET ACTS 28:2 Greek word=ἐφεστῶτα (efestōta) Morphology=PEA·AMS English gloss=‘having approached’ SR GNT ACTS 28:2 word 24