From an unused root meaning to spread out; a wardrobe (i.e. Room where clothing is spread) -- vestry.
H4458. meltachah
מֶלְתָּחָה noun feminine apparently wardrobe, wearing apparel (Ethiopic tunic); — only in עַלהַֿמ ׳לַאֲשֶׁר לְבוּשׁ הוֺצֵא וַיּאֹמֶר 2 Kings 10:22; ᵐ5 ἐπὶ τοῦ [οἴκου] μεσθααλ (μισθ’); ᵑ9 super vestes.
לתך (√ of following, meaning unknown, compare LagOr. ii. 32 f.).