noun
contraction; shortened form; abbreviated form
A grammatical term for a word or phrase that has been shortened, such as してる from している or じゃない from ではない.
「してる」は「している」の短縮形です。
"してる" is the contracted form of "している".
英語
English "don't" is a contraction of "do not".
Compound of 短縮 (shortening) + 形 (form). The term is a straightforward Sino-Japanese coinage used in linguistics.