Or mzuzah {mez-oo-zaw'}; from the same as ziyz; a door-post (as prominent) -- (door, side) post.
see HEBREW ziyz
H4201. mezuzah
מְזוּזָה noun feminine door-post, gate-post, absolute ׳מ Exodus 21:6; Isaiah 57:8; construct מְזוּזַת 1 Samuel 1:9; Ezekiel 46:2 + 41:21 (strike out ᵑ6 Co compare ᵐ5 Hi), 45:19 (twice in verse) (in both ᵑ9 ᵑ6 ᵐ5 מְזוּזוֺת Co); suffix מְזוּזָתִי 43:8, מְזוּזָתָם 43:8; plural מְזוּזוֺת 1 Kings 6:31 2t. (+ Ezekiel 45:19 (twice in verse) Co see above), מְזוּזֹת Exodus 12:7 4t., מְזֻזוֺת Deuteronomy 6:9; Judges 16:3; — door-post, gate-post,
1 of dwelling-house Exodus 12:7 (P), 12:22; 12:23; 21:6 (all J E), Deuteronomy 6:9; 11:20 compare Isaiah 57:8; also ׳מ מְּתָחָ֑י Proverbs 8:34, מְזוּזָתָם Ezekiel 43:8; of Solomon's house 1 Kings 7:5.
2 of house of ׳י:
a. of the pre-Solomonic sanctuary of ׳י 1 Samuel 1:9.
b. of Solomon's temple 1 Kings 6:33; of the דְּבִיר 6:31.
c. of Ezekiel's temple Ezekiel 41:21 (strike out Co see above), 43:8 (מְזוּזָתִי), ׳מ הַבַּיִת 45:19, ׳מ שַׁעַר 45:9, compare 46:2.
3 of city-gates Judges 16:3.