1. Overview of Meaning
The kanji “甲” (kō) primarily means “armor” or “shell.” It can also refer to the first in a ranking or series, such as “first” or “top.” In various contexts, it signifies protection or a covering layer.
2. Formation and Radical
Formation of the Kanji: The kanji “甲” is classified as a phonetic-ideographic character (形声文字). It combines a semantic component that suggests its meaning related to protection and a phonetic component that indicates its pronunciation.
Radical: The radical for “甲” is “亻” (person), which is often associated with human-related concepts.
3. Examples of Usage
Common Words and Phrases: Some frequently used words that include “甲” are:
- 甲冑 (katchū) – armor
- 甲高 (kōdaka) – high-pitched (sound)
- 甲乙 (kōotsu) – first and second; ranking
Example Sentences in Daily Conversation:
- 彼は戦士として甲冑を着ている。
(He wears armor as a warrior.) - この音は甲高で、耳に残る。
(This sound is high-pitched and sticks in my ears.)
4. Synonyms and Antonyms
Similar Kanji: A kanji with a similar meaning is “鎧” (yoroi), which also means armor but specifically refers to a type of traditional Japanese armor.
Antonyms: A kanji with an opposite meaning is “裸” (hadaka), which means “naked” or “bare,” indicating the absence of protection or covering.
5. Cultural and Historical Background
Relation to Japanese Culture: The concept of “甲” is deeply rooted in Japanese history, particularly in the context of samurai culture, where armor was essential for protection in battle.
Proverbs and Idioms: One common saying is “甲の上に甲” (kō no ue ni kō), which means “one layer of armor on top of another,” symbolizing the idea of being well-prepared or protected.