The term aspiration sometimes refers to the sound change of debuccalization, in which a consonant is lenited (weakened) to become a glottal stop or fricative [ʔ h ɦ].
Debuccalization হয় যখন ব্যঞ্জনবর্ণ কি হতে দুর্বল হয়ে যায়?
glottal stop or fricative