σθένω

1. to have strength or might, be strong or mighty , (Sophocles Tragicus); σθ. χερί, ποσί to be strong in hand, in foot, (Sophocles Tragicus); σθένοντος ἐν πλούτῳ (Sophocles Tragicus); τοσοῦτον σθένει (Sophocles Tragicus); ὅσονπερ ἂν σθένῃ (Sophocles Tragicus); οἱ κάτω σθένοντες they who have power below, (Euripides)

2. with infinitive to have strength or power to do, be able , (Sophocles Tragicus) (ML)