τήρησις (tḗrēsistay'-ray-sisnouncustody; keeping)
[Grk] τήρησις LN: 7.24, 36.19, 37.122 GK: G5499
Derivation: from τηρέω;
Strong's: a watching, i.e. (figuratively) observance, or (concretely) a prison
KJV: --hold.
See: τηρέω