consonant cluster
Linguistic term for a sequence of two or more consonants without an intervening vowel, e.g., 'str' in 'strong'.
英語の「spring」の「spr」は子音群の例です。
The 'spr' in English 'spring' is an example of a consonant cluster.
Compound of 子音 (しいん, 'consonant') + 群 (ぐん, 'group, cluster').