The kanji 欠 generally conveys the core meaning of "lack," "deficiency," "to lack," or "to be missing." It suggests a state of incompleteness or something being absent. It can also imply a shortage or an insufficient amount.

・On-yomi (音読み): ケツ (ketsu) ・Kun-yomi (訓読み): か（ける） (ka(keru))

⚫︎欠席 Translation: Absence (from school, work, etc.) ⚫︎欠点 Translation: Weak point; defect; shortcoming ⚫︎欠乏 Translation: Lack; shortage; deficiency

The kanji 欠 is a pictograph. It depicts a person leaning or bending over, often interpreted as someone in the act of sighing, yawning, or having a gap, hence the meaning of "lack" or "missing." The character evolved over time, but the core visual representation of a person with a gap remains.