noun
A grammar term for words that point to something in context, such as これ, それ, あれ, この, その, あの, ここ, そこ, あそこ, and similar deictic expressions.
「これ」や「それ」は指示語です。
"Kore" and "sore" are demonstratives.
日本語の指示語には、近称・中称・遠称の区別があります。
Japanese demonstratives distinguish proximal, medial, and distal reference.
こそあど is a colloquial term for the system of demonstratives based on the prefixes こ-, そ-, あ-, ど-; 指示語 is the formal grammar term.
Compound of 指示 (しじ, 'pointing out, indication') and 語 (ご, 'word'). A straightforward modern coinage for the grammatical concept of demonstratives.