The compaction of chromatin into heterochromatin at the subtelomeric region.
Synonyms:
exact_synonym:
Telomere Position Effect; chromatin silencing at telomere; heterochromatic silencing at telomere; subtelomeric heterochromatin assembly; subtelomeric silencing; telomere chromatin silencing; telomeric silencing
related_synonym:
chromatin silencing at subtelomere; establishment of chromatin silencing at telomere; heterochromatic silencing at subtelomere; regulation of chromatin silencing at telomere; regulation of subtelomeric heterochromatin assembly; subtelomere chromatin silencing; telomeric heterochromatin assembly; telomeric heterochromatin formation