MG 18:56.1.28 :מכולהו אקלידי מסר לשמעיה לבר מן אקלידא דבי ציבי‏ : he entrusted all the keys to his servant except for the key to the firewood storehouse
See the entire entry for msr vb. to hand over

MG 18:56.1.28 :אקלידא דבי ציבי‏ : the key to the firewood-storehouse
See the entire entry for ṣyb n.m. chip, small piece of something