From an unused root meaning to pulverize; a mill-stone -- mill (stone).
Englishman's Concordance
1) handmills 1a) a pair of millstones for grinding Part of Speech: noun masculine dual A Related Word by BDB/Strong’s Number: from an unused root meaning to pulverise Same Word by TWOT Number: 2144a
Brown-Driver-Briggs
[רֵחַה] noun [masculine], only
dualרֵחַיִם (hand-)mill (probably=two mill-stones); — ׳ר absolute, common household utensil, turned by maids, Exodus 11:5 (הָרֵחָ֑יִלם; J), female slaves Isaiah 47:1 (with טָחַן, q. v.); ׳טָחַן בָּרNumbers 11:8 (J); וָרָ֑כֶב׳רDeuteronomy 24:6 (see רכב); ׳קוֺל ר as sound of family life Jeremiah 25:10.
Exodus 11:5 HEB:אֲשֶׁ֖ר אַחַ֣ר הָרֵחָ֑יִם וְכֹ֖ל בְּכ֥וֹר NAS: is behind the millstones; all KJV: that [is] behind the mill; and all the firstborn INT: who is behind the millstones all the firstborn
Numbers 11:8 HEB:וְלָֽקְט֜וּ וְטָחֲנ֣וּ בָרֵחַ֗יִם א֤וֹ דָכוּ֙ NAS: [it] and grind [it] between two millstones or KJV: [it], and ground [it] in mills, or beat INT: and gather and grind millstones or beat
Deuteronomy 24:6 HEB:לֹא־ יַחֲבֹ֥ל רֵחַ֖יִם וָרָ֑כֶב כִּי־ NAS: one shall take a handmill or an upper millstone KJV: No man shall take the nether or the upper millstone INT: No shall take A handmill an upper for
Isaiah 47:2 HEB: קְחִ֥י רֵחַ֖יִם וְטַ֣חֲנִי קָ֑מַח NAS: Take the millstones and grind meal. KJV: Take the millstones, and grind meal: INT: Take the millstones and grind meal
Jeremiah 25:10 HEB:כַּלָּ֑ה ק֥וֹל רֵחַ֖יִם וְא֥וֹר נֵֽר׃ NAS: the sound of the millstones and the light KJV: the sound of the millstones, and the light INT: of the bride the sound of the millstones and the light of the lamp
