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Agarwood. Gaharu. Oud.

If you are new to the world of aromatic woods, these three terms can seem to describe completely different materials.

In many contexts, however, they refer to the same extraordinary family of resinous aromatic wood — viewed through different languages, regions and cultural traditions.

What Is Agarwood?

Agarwood is the widely used English term for resin-rich aromatic wood formed in agarwood-producing trees, particularly species belonging to the genus Aquilaria.

The wood has been valued for centuries for incense, perfumery and cultural practices.

Malaysia is naturally home to several Aquilaria species, including the important Aquilaria malaccensis.

What Is Gaharu?

Gaharu is a term widely used in Malaysia, Indonesia and the wider Malay-speaking region for agarwood.

In Malaysia, the tree itself may also be referred to locally as karas.

Therefore, someone discussing Malaysian gaharu may essentially be discussing agarwood originating from agarwood-producing trees found or cultivated within Malaysia.

What Is Oud?

Oud is the Arabic term commonly associated with agarwood.

The word became internationally recognised because of agarwood’s importance in Middle Eastern fragrance culture.

Today, “oud” is particularly common in the global perfume industry.

However, there is an important distinction.

A perfume labelled “oud” does not necessarily contain natural agarwood.

Modern fragrances may use natural agarwood oil, blends of aromatic ingredients designed to create an oud-like character, synthetic fragrance molecules, or combinations of these materials.

Agarwood vs Oud: What’s the Difference?

In simplified terms:

• Agarwood — the English name for the aromatic resinous wood.

• Gaharu — a widely used Southeast Asian term for agarwood.

•  Oud — the Arabic term associated with agarwood and its fragrance.

The underlying natural material can therefore be closely related, while terminology changes according to cultural and commercial context.

What About Agarwood Oil?

Agarwood can be processed through distillation to produce aromatic oil.

This oil is frequently called:

• • agarwood oil
• • oud oil
• • oudh oil
• • gaharu oil

Natural agarwood oil should not automatically be considered equivalent to every commercial perfume marketed with the word “oud.”

Understanding that distinction is increasingly important for consumers.

Why Botanical Names Matter

Commercial terminology can change across countries.

Scientific names provide greater precision.

For example:

Aquilaria malaccensis

immediately identifies a particular species, while terms such as “premium oud” or “super agarwood” may have different interpretations between sellers.

For education, conservation and research, botanical identification therefore matters enormously.

One Material, Many Cultures

Perhaps the most fascinating aspect of agarwood is how one natural aromatic material became deeply appreciated across different civilisations.

From gaharu in Southeast Asia, to agarwood in international English, to oud in the Middle East, its terminology tells the story of centuries of cultural exchange.

Understanding those differences allows us to appreciate agarwood not simply as a fragrance.

It is a bridge connecting nature, history, culture and people.