Phonological (adjective)

1. Pertaining to the study of the sound systems and patterns of a language.
2. Relating to the sounds of language, including the rules for their combination and use.

Origin:

The word phonological comes from the greek word "phōnē" which means "sound" or "voice" and the word "-logical" which means "pertaining to the study of" or "relating to the science of". it was first used in english in the late 19th century to describe the study of the sound systems and patterns of a language, including the sounds themselves and the rules for their combination and use.

Examples:

1. The phonological system of English includes the sounds of consonants and vowels.
2. The study of phonology is a branch of linguistics that deals with the sounds of language.
3. The phonological rules of the language dictate the pronunciation of words.
4. Phonological awareness is the ability to hear and manipulate the sounds of language.
5. The phonological differences between languages can make it difficult for speakers of one language to learn another.