A primitive root; to become thin, i.e. (figuratively) be impoverished -- be (waxen) poor(-er).
Englishman's Concordance
1) (Qal) to be low, grow poor, be depressed, be poor Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 1159
Brown-Driver-Briggs
[מוּךְ] verbbe low, depressed, grow poor (Late Hebrew id., Niph`al; Aramaic מוּךְ, sink or bend down; compare מָכַח, Syriac , be brought low, humble); —
Leviticus 25:25 HEB: כִּֽי־ יָמ֣וּךְ אָחִ֔יךָ וּמָכַ֖ר NAS: countryman of yours becomes so poor he has to sell KJV: If thy brother be waxen poor, and hath sold INT: If becomes A fellow sell
Leviticus 25:35 HEB: וְכִֽי־ יָמ֣וּךְ אָחִ֔יךָ וּמָ֥טָה NAS: a countryman of yours becomes poor and his means KJV: And if thy brother be waxen poor, and fallen in decay INT: case becomes A countryman falter
Leviticus 25:39 HEB: וְכִֽי־ יָמ֥וּךְ אָחִ֛יךָ עִמָּ֖ךְ NAS: a countryman of yours becomes so poor with regard KJV: And if thy brother [that dwelleth] by thee be waxen poor, and be sold INT: If becomes A countryman regard
Leviticus 25:47 HEB:וְתוֹשָׁב֙ עִמָּ֔ךְ וּמָ֥ךְ אָחִ֖יךָ עִמּ֑וֹ NAS: and a countryman of yours becomes so poor with regard KJV: and thy brother [that dwelleth] by him wax poor, and sell INT: of a sojourner regard becomes countryman regard
Leviticus 27:8 HEB: וְאִם־ מָ֥ךְ הוּא֙ מֵֽעֶרְכֶּ֔ךָ NAS: But if he is poorer than KJV:But if he be poorer than thy estimation, INT: if is poorer he your valuation