From Sanskrit *khādana* (खादन), meaning "eating" or "the act of eating," derived from the root *khād-* (to eat, to chew). Over centuries of Prakritic evolution, the word shifted in form and broadened to mean both "food" and "a meal" in modern Hindi and other related languages such as Urdu (کھانا).

In Indian culture, food is deeply tied to hospitality and family. Offering someone "khānā" is a gesture of warmth — refusing a host's food is often considered impolite. The word is also used as a verb (खाना खाना, *khānā khānā* — "to eat food"), making it a fascinating example of a Hindi noun doubling as the infinitive form of "to eat." Learners of Urdu will recognise کھانا instantly — it is identical in meaning, script aside.