Origins
The English word "pajama" traces its origins to the Hindi and Urdu term "pāyjāma" or "pāʾijāma" (पायजामा / پائجامہ), which itself derives from Persian components. The Persian roots are "pāy" (پای), meaning "leg" or "foot," and "jāma" (جامه), meaning "garment" or "clothing." Thus, the original compound literally signifies "leg garment," referring specifically to loose trousers tied at the waist. These garments were traditionally worn by both Muslim and Hindu populations across South Asia, serving as comfortable, loose-fitting lower-body attire suitable for the region’s climate.
The Persian element "jāma" is notable for its broader presence in English loanwords from the colonial era, often denoting clothing or garments. Its etymology connects to an Indo-Iranian root associated with the concept "to put on," which is cognate with the Sanskrit root "yam-" meaning "to hold" or "to restrain." This semantic field reflects the functional aspect of clothing as something that is worn or held onto the body. The Persian "jāma" thus encapsulates the notion of a garment as an item that restrains or covers the body, a meaning that has persisted through its various linguistic descendants.
The term "pajama" entered English during the period of British colonial presence in India, specifically by the early 19th century. It was adopted through contact with the British East India Company and the colonial administration, who encountered the garment as a practical and comfortable form of dress suited to the hot climate. The original South Asian "pāyjāma" referred exclusively to the loose cotton trousers, which were typically worn with a separate upper garment such as a kurta or tunic. The British colonials, appreciating the comfort of these trousers, incorporated them into their own wardrobes as indoor or sleeping wear.
Modern Usage
The English adoption of the word reflects this cultural exchange, with the spelling "pyjama" becoming standard in British English, while "pajama" emerged as the preferred American English variant. Both forms had entered English usage by the 1800s, coinciding with increased British involvement in India and the growing influence of Indian culture on British life. Over time, the concept of "pajamas" in English expanded beyond the original loose trousers to include a matching top, creating the modern "pajama suit" familiar today. This pairing of trousers and jacket or top is an English innovation rather than a direct continuation of South Asian dress customs.
It is important to distinguish the inherited Indo-Iranian roots of the components "pāy" and "jāma" from the later borrowing of the compound term into English. The Persian roots are inherited within the Iranian branch of the Indo-Iranian language family, while the compound "pāyjāma" as a garment name is a later lexical formation in Persian and subsequently Hindi/Urdu. The English word is a borrowing from these South Asian languages during the colonial period, rather than a native English formation or an inherited cognate.
"pajama" in English is a loanword derived from Hindi/Urdu "pāyjāma," itself a compound of Persian "pāy" (leg) and "jāma" (garment). The term originally designated loose trousers worn in South Asia, adopted by British colonials in the 19th century as comfortable indoor or sleeping wear. The modern English usage, which includes a matching top, represents an English adaptation rather than a direct continuation of the original South Asian garment tradition. The Persian root "jāma" connects to an Indo-Iranian verbal root related to clothing and wearing, illustrating the deep historical and linguistic layers embedded in this seemingly simple word.