מַפְתֵּחַ‎ (maphtêach|maf-tay'-akh|noun|masculine|key)
[Heb] מַפְתֵּחַ‎ ETCBC: מַפְתֵּחַ‎ (subs|key) OSHL: q.ea.aj TWOT: 1854f GK: H5158 Greek: κλείς
Derivation: from פָּתַח‎;
Strong's: an opener, i.e. a key
KJV: key.