אָפַק (ʼâphaqaw-fak'verbhold)
[Heb] אָפַק ETCBC: אפק‎ (verb|be strong) OSHL: a.ff.aa TWOT: 149 GK: H706 Greek: ἀνέχομαι, ἐγκρατεύομαι
Derivation: a primitive root;
Strong's: to contain, i.e. (reflex.) abstain
KJV: force (oneself), restrain.