sandhi
/ˈsændɪ/noun
mass noun
- Grammar the process whereby the form of a word changes as a result of its position in an utterance (e.g. the change from a to an before a vowel)【语法】连读音变（指词的形式因其在读句中的位置不同而有所变化, 如在元音前a变为an）。
词源
from Sanskrit saṃdhi 'putting together'.