The kanji 余 primarily conveys the idea of "surplus," "remainder," or "excess." It implies something that is left over after a portion has been taken or used. It can also signify "myself" or "I" in a formal or literary context, often indicating a degree of distance or formality.

・On-yomi (音読み): ヨ (yo) ・Kun-yomi (訓読み): あま-る (ama-ru) – to remain, to be left over, あま-り (ama-ri) – surplus, remainder

⚫︎余分（よぶん） Translation: Surplus; extra; excess ⚫︎余計（よけい） Translation: Too much; unnecessary; more than; surplus ⚫︎余生（よせい） Translation: The rest of one's life; the remaining years

This section is omitted because the user's native language is not specified, so I am unable to provide information on the correspondence between Japanese and the user's native language.

The kanji 余 is a pictograph. The original form depicted a person carrying a weight, representing the concept of carrying something additional or "extra." Over time, it evolved to represent the concept of surplus or remainder. The top part represents a person, and the bottom part is related to food or wealth.