The kanji 及 generally conveys the idea of "reaching," "extending," "and," "as well as," or "to involve." It implies the action of something reaching a point or including something else. It often indicates a connection or an extension beyond a certain limit or scope.

・On-yomi (音読み): kyū（キュウ） ・Kun-yomi (訓読み): oya及obu（およ及ぶ）, oya及azu（およ及ばず）

⚫︎ 普及（ふきゅう） Translation: Diffusion, spread, popularization. ⚫︎ 言及（げんきゅう） Translation: Reference, mention. ⚫︎ 及第（きゅうだい） Translation: Passing (an exam), successful.

I am sorry, but I do not have access to reliable sources that can determine the correspondence between the kanji 及 and the user's native language.

The kanji 及 is a pictophonetic character. The original form depicts a person's arm reaching out, and the phonetic component is a simplified form of another character, lending the sound. Over time, the form has simplified. It evolved to indicate the idea of "reaching" or "extending."