shampoo

What it means

1. countableuncountableoriginallyA traditional Indian and Persian body massage given after pouring warm water over the body and rubbing it with extracts from herbs.

   Synonyms: massage

2. countableuncountablehygieneA commercial liquid soaplike product for washing hair or other fibers, such as carpets.

   These endocrine disruptors are everywhere: plastics, shampoos, cosmetics, cushions, pesticides, canned foods and A.T.M. receipts. They often aren’t on labels and can be difficult to avoid.

   2021 February 20, Nicholas Kristof, “What Are Sperm Telling Us?”, in The New York Times, →ISSN

3. countableuncountableAn instance of washing the hair or other fibres with shampoo.

   I’m going to give the carpet a shampoo.

   Synonyms: shampooing

In a sentence

These endocrine disruptors are everywhere: plastics, shampoos, cosmetics, cushions, pesticides, canned foods and A.T.M. receipts. They often aren’t on labels and can be difficult to avoid.

2021 February 20, Nicholas Kristof, “What Are Sperm Telling Us?”, in The New York Times, →ISSN

Where it comes from

1. Prakrit𑀘𑀁𑀧𑀇 (caṃpaï)
2. Hindiचाँपना (cā̃pnā)
3. Hindiचाँपो (cā̃po)
4. Englishshampoo

From Hindi चाँपो (cā̃po) / चांपो (cāmpo), imperative form of चाँपना (cā̃pnā) / चांपना (cāmpnā, “to press, knead”), mid 18th c.