ἐστηρίσθαι
Strong's 4741 (στηρίζω)
fix, (e-)stablish, stedfastly set, strengthen
to set fast, i.e. (literally) to turn resolutely in a certain direction, or (figuratively) to confirm
from a presumed derivative of G2476 (ἵστημι) (like G4731 (στερεός));
Septuagint: found in
1 verse