arteriosclerosis

noun

thickening, hardening and loss of elasticity of the walls of arteries

Wiktionary

Pronunciation: /ɑːˌtɪəɹɪəʊskləˈrəʊsɪs/ / /ɑɹˌtɪɹioʊskləˈroʊsəs/

noun

Etymology: Etymology tree Ancient Greek ᾰ̓ρτηρῐ́ᾱ (ărtērĭ́ā)bor. Latin artēria Ancient Greek ᾰ̓ρτηρῐ́ᾱ (ărtērĭ́ā) English arteri- Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English arterio- English sclerosis English arteriosclerosis From arterio- + sclerosis.

Hardening, narrowing or loss of elasticity in arteries or blood vessels.