noun-modifying (irregular)
familiar to the ear; well-known sound
Describes a sound, voice, or phrase that one is accustomed to hearing. Used prenominally to modify a noun.
A familiar voice came from the hallway.
I immediately knew who it was from her familiar footsteps.
Compound of 聞き (stem of 聞く 'to hear') + 慣れた (past/prenominal form of 慣れる 'to get used to').