What is the longest word in world that means love?

The concept of "longest word" is subjective and depends on the definition of "word." Here's why there's no definitive answer:

* Languages: Words exist in many languages, and "love" translates differently in each. The longest word for "love" would vary depending on the language.

* Compound words: Some languages create very long words by combining smaller words. These could be considered single words, but others might see them as phrases.

* Technical terms: There might be scientific or academic terms for specific types of love, but these may not be commonly used.

Instead of a "longest word," here's a fun example:

* "Philautia" (Greek): This word is about self-love, meaning "love of oneself."

Let me know if you're interested in exploring specific languages or want to look at other words for different types of love!