[{"Bold_text": "adjective", "List Items": ["of, relating to, or located in the larynx .", "Phonetics.articulated in the larynx ."]}, {"Bold_text": "noun", "List Items": ["Phonetics.a laryngeal sound.", "Historical Linguistics.one of several hypothetical phonemes assumed to have existed in Proto-Indo-European and to have been lost in most later Indo-European languages after having modified some contiguous consonants and vowels."]}]