Or (feminine) cithrah (Deut. 32:38), {sith-raw'}; from cathar; a cover (in a good or a bad, a literal or a figurative sense) -- backbiting, covering, covert, X disguise(-th), hiding place, privily, protection, secret(-ly, place).
see HEBREW cathar
H5643. cether
סֵ֫תֶר noun [masculine] covering, hiding-place, secrecy; — absolute ׳ס Judges 3:19 +, ס֑תֶר 2 Samuel 12:12; Proverbs 25:23, סֶ֑תֶר Psalm 139:15; construct סֵ֫תֶר 1 Samuel 25:20 +; suffix סִתְרוֺ Psalm 18:12 (insert also "" 2 Samuel 22:12 ᵑ6 ᵐ5 Th Bu HPS), סִתְרִי Psalm 119:114; plural סְתָרִים Proverbs 9:17; —
1 covering, cover, ׳בְּס הָהָר 1 Samuel 25:20 under cover of the mountain, concealed by it; of clouds as covering for ׳י (shutting out his view) Job 22:14, of darkness (i.e. dark clouds) as ׳י's hiding-place (in theoph.) Psalm 18:12 (= 2 Samuel 22:12 see above), so ׳ס רַ֑עַם 2Sam 81:8 hiding-place of thunder; of adulterer יָשִׂים ׳ס מָּנִים Job 24:15 i.e. disguiseth himself.
2. a. hidng-place, 1 Samuel 19:2; Isaiah 28:17 ׳ס הַמַּדְרֵגָה Song of Solomon 2:14 (in figurative; "" הַסֶּלַע חַגְוֵי), of hippopotamus Job 40:21; figurative of Israel as shelter to Moab with מִמְּנֵי Isaiah 16:6, of ideal Israelite, as ׳ס זֶרֶם 32:2, especially of ׳י as shelter: ׳ס אָהֳלוֺ Psalm 27:5, ׳ס מָּנֶיךָ 31:21, ׳ס כְּנָפֶיךָ 61:5, ׳ס עֶלְיוֺן 91:1, ס ׳אַתָּה לִי 32:7; compare 119:114.
b. secret place, of womb Psalm 139:15 ("" אָ֑רֶץ תַּחְתִּיּוֺת).
3 secrecy: ׳דְּבַרסֿ Judges 3:19 a matter of secrecy, secret matter; plural abstract intensive סְתָרִים לֶחֶם Proverbs 9:17 bread of utter secrecy (i.e. gained stealthily, "" גְּנוּבִים מַיִם); סָ֑תֶר לְשֹׁן 25:23 tongue of secrecy, i.e. slanderous; elsewhere ׳בַּסּ in secrecy, secretly Deuteronomy 13:7; 27:15, 24; 28:57; 2 Samuel 12:12; Jeremiah 37:17; 38:16; 40:15; Isaiah 45:19; 48:16; Job 13:10; 31:27; Proverbs 21:14; Psalm 101:5.
סִתְרָה noun feminine shelter, protection, ׳ס עֲלֵיכֶם יְהִי Deuteronomy 32:38 (read perhaps יהיו, compare Dr) let them (the strange gods) be over you as a shelter.