1. Overview of Meaning
The kanji “系” (kei) generally means “system,” “lineage,” or “connection.” It is often used to describe relationships or classifications within various contexts, such as family trees, academic disciplines, or organizational structures.
2. Formation and Radical
The kanji “系” is a compound character (会意文字) that combines elements to convey its meaning. It consists of the radical “糸” (ito), which means “thread,” and the character “系,” which adds the concept of connection or system. The radical indicates a relationship to threads or connections, emphasizing the idea of linking elements together.
3. Examples of Usage
Common words and phrases that include “系” are:
- 家系 (kakei) – family lineage
- 系統 (keitō) – system or organization
- 血液型 (ketsuekigata) – blood type (often used in the context of personality types)
Example sentences in daily conversation:
- 私の家系は古い歴史があります。 (Watashi no kakei wa furui rekishi ga arimasu.) – My family lineage has a long history.
- この会社は新しい系統を導入しました。 (Kono kaisha wa atarashii keitō o dōnyū shimashita.) – This company has introduced a new system.
4. Synonyms and Antonyms
Similar kanji with related meanings include:
- 系統 (keitō) – system, which emphasizes organization and structure.
- 系列 (keiretsu) – a series or group, often used in business contexts.
Antonyms include:
- 孤立 (koritsu) – isolation, which conveys the opposite of connection or system.
5. Cultural and Historical Background
The kanji “系” is deeply rooted in Japanese culture, often used in contexts related to family and heritage. It reflects the importance of lineage and connections in Japanese society.
Proverbs and idioms that include “系” are:
- 血は水よりも濃い (Chi wa mizu yori mo koi) – Blood is thicker than water, emphasizing the strength of family ties.