Any process that stops, prevents or reduces the frequency, rate or extent of calcium ion export across the plasma membrane.
Synonyms:
exact_synonym:
down regulation of calcium ion efflux from cell; down regulation of calcium ion export from cell; downregulation of calcium ion efflux from cell; downregulation of calcium ion export from cell; negative regulation of calcium ion efflux from cell; negative regulation of calcium ion export from cell
narrow_synonym:
inhibition of calcium ion efflux from cell; inhibition of calcium ion export from cell