A primitive root; to shrink, i.e. Thicken (as unracked wine, curdled milk, clouded sky, frozen water) -- congeal, curdle, dark, settle.
H7087. qapha
' [קָפָא] verb thicken, condense, congeal (compare Syriac heap up, collect); —
Qal Perfect3plural תְהֹמֹת קָֽפְאוּ Exodus 15:8 (song) the deeps were condensed, became firm walls; Imperfect יקפאון Zechariah 14:6 Kt (i.e. יִקְמָּא֑וּן [possible is also יִקָּפֵא֑וּן
Niph`al]) Thes and others glorious(?) ones [stars] shall contract (dwindle), but read Qr וְמָּאוֺן see following Participle עַלאשִׁמְרַיהֶם הַקֹּפְאִים Zephaniah 1:12 the men who are thickening on their lees (easy-going men, under figure of undisturbed wine).
Hiph`il Imperfect2masculine singular suffix תַּקְמִּיאֵנִי Job 10:10 didst thou not curdle me like cheese (of formation of foetus) ?