far·klempt (fär-klĕmpt) or ver·klempt (vər-)
Unable to speak because of emotion; choked up.
[Yiddish farklemt, past participle of farklemmen, to clamp, catch (as in a vise), choke up, from Middle High German verklemmen : ver-, pref. denoting completion (from Old High German far-; see per-1 in the Appendix of Indo-European roots) + klemmen, to grip, seize (from Old High German).]
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