noun, noun which may take the genitive case particle 'no'
present use; current need; business at hand
Refers to something needed or used for the present time or immediate purpose. Often used in formal or business contexts.
I attended the meeting with only the documents needed for the current purpose.
I finished the necessary shopping for now and went straight home.
tōyō kanji; list of 1,850 kanji for general use (1946–1981)
buying for immediate needs; spot purchasing
Compound of 当 (current, this) and 用 (use, business). The exact historical derivation is uncertain, but the meaning is transparent from the kanji.