Brown-Driver-Briggs
מוּג verb melt (
ᵑ7 מוּג Ithpe`el,
Psalm 46:7;
Psalm 107:26; compare Arabic
surge (of the sea), Qor 18:99;
a wave);
**in view of prevailing figurative use, and of Arabic
(
)
be in tumult, commotion, of sea, people,
be agitated, perplexed, it is perhaps dubious whether
melt is original meaning;
be moved, agitated is usually possibly, and even
Amos 9:13;
Psalm 65:11 (both late), where (especially Amos)
moistening is suggested, this may be perhaps derived from
agitating, loosening, dissolving. —
Qal Imperfect3feminine singular תָּמוּג 46:7; וַתָּמוֺג Amos 9:5; 2masculine singular suffix וַתְּמוּגֵ֫נוּ Isaiah 64:6 (but read probably וַתְּמַגְּנֵנוּ, see [ מָגַן] p.171 above, and compare Di > Du תְּמַגְּנֵנוּ); Infinitive לָמוּג Ezekiel 21:20; —
1 melt, subject אֶרֶץ, at touch of ׳י Amos 9:5; at voice of ׳י Psalm 46:7; = faint (of heart), Ezekiel 21:20.
2 transitive cause to melt Isaiah 64:6 (but see above)
Niph`al Perfect נָמוֺג Nahum 2:7 2t.; 3 plural נָמֹ֫גוּ Exodus 15:15 3t.; Participle plural נְמֹגִים Psalm 75:4; — melt away, figurative for be helpless, disorganized (through terror, etc.) Exodus 15:15 (compare context), Joshua 2:9,24; 1 Samuel 14:16 (compare We Dr), Jeremiah 49:23, compare Nahum 2:7; Isaiah 14:31; Psalm 75:4.
Po>l. soften, dissolve, active: only Imperfect 2 masculine singular suffix (subject God): בִּרְבִיבִם תְּמֹגְגֶנָּה Psalm 65:11 thou softenest it [the earth] with showers; figurative, = dissipate וּתְמֹגְגֵ֫נִי Job 30:22 — We reads וַיְמֹגֵג Habakkuk 3:6 for וַיְמֹדֶד, see מדד
Po`el Hithpo`el Perfect 3 plural הִתְמֹגָָֽגוּ Nahum 1:5; Imperfect3feminine singular תִּתְמוֺגָ֑ג Psalm 107:26; 3feminine plural תִּתְמוֺגַגְנָה Amos 9:13; — melt, subject hills (before ׳י) Nahum 1:5; subject נֶפֶשׁ Psalm 107:26 (in terror); hyperb. for flow Amos 9:13 (of fertile hills, "" הִטִּ֫יפוּ הֶהָרִים).
I. מוד (√ of following; apparently secondary form of מדד, compare BaNB § 190 c, and Arabic 
stretch, extend, also prolong, make to continue).
