Lexical Definition

‎כָּסַף‎ kâçaph (kaw-saf') to long H:V
a primitive root

(have) desire, be greedy, long, sore.

1) to long for, yearn for, long after
1a) (Qal) to long for
1b) (Niphal)
1b1) to long for (deeply)
1b2) being longed for (participle)

See Greek: ἐπιθυμέω · ἐπιθυμία · ἐπιποθέω · ἕτοιμος · ὀπτάνομαι

Usage: 6 forms in 6 verses
Form Translated As     In Verse(s)
תִכְסֹֽף you will long Job.14.15
נִכְסֹ֥ף certainly Gen.31.30
נִכְסָֽף ashamed Zeph.2.1
נִכְסַ֖פְתָּה you longed Gen.31.30
נִכְסְפָ֬ה it has longed Ps.84.2
יִכְס֣וֹף it longs Ps.17.12

Brown-Driver-Briggs

[‎כָּסַף‎] verb long (for) (Arabic be colourless, obscure, be eclipsed (of sun or moon); also be depressed in appearance BaES 61; modern Arabic disappoint; reflexive conjugations be disappointed, ashamed, see SpiroVocab; Late Hebrew ‎כסף‎ Hiph`il shew pallor, be pale, white; Qal be ashamed, long for, compare Aramaic ‎כְּסַף‎) —

Qal Imperfect 2 masculine singular ‎יָדֶיךָ תִּכְסֹ֑ףלְמַעֲשֵׂה‎ Job 14:15 for the work of thy hands thou wouldest long; 3 masculine singular ‎כְּאַרְיֵה יִכְסוֺף לִטְרֹ֑ף‎ Ps 17:12 like a lion that longeth to rend. Niph`al Perfect 2 masculine singular + Infinitive absolute ‎נִכְסֹף נִכְסַפְתָּה לְבֵית אָבִיךָ‎ Gen 31:30 thou didst long sorely for thy father's house; Perfect 3 feminine singular ‎׳‎‎נִכְסְפָה ֗֗֗ נַפְשִׁי לְחַצְרוֺת י‎ Ps 84:4* my soul longeth . . . . for the courts of ‎׳‎‎י‎; Perfect 3 masculine singular ‎הַגּוֺי לֹא נִכְסָ֑ף‎ Zeph 2:1 very dubious; but perhaps (Ges Ew Hi Ke and others), O nation not turning pale, = not ashamed, compare etymology above; We thinks whole see corrupt.

Brown-Driver-Briggs References

Book Refs
Genesis 31:30
Job 14:15
Psalms 17:12 · 84:4*
Zephaniah 2:1