Kamboi is an ancient village/town located in chanasma taluka, in Patan district

Patan district

Patan district is one of the 26 districts of Gujarat state in western India. This district is located in northern Gujarat and bounded by Banaskantha district in the north and northeast, Mehsana district in the east and southeast, Surendranagar district in the south and Kutch District and the Kutch...

, in the modern India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n State of Gujarat. This place is at a distance of 10 km west of Chanasma

Chanasma

Chanasma is a city and a municipality in Patan district in the state of Gujarat, India.-Geography:Chanasma is located at . It has an average elevation of 61 metres ....

 on the Harij

Harij

Harij is a city and a municipality in Patan district in the Indian state of Gujarat.-Geography:Harij is located at . It has an average elevation of 33 metres .-Demographics:...

-Mehsana

Mehsana

Mahesana is a city and municipality in Mehsana district, in the Indian state of Gujarat.-City and surrounding area:Situated near Ahmedabad and Gandhinagar, Mehsana is one of the largest cities in North Gujarat; followed by Patan and Palanpur. A number of primary industries including dairy, oil...

 road. It has post office Postcode number of 384230.

Antiquity of Kamboi

The history of Kamboi is said to be very ancient. The town is first mentioned in the 10th century in the Daan Patras (gift letters) of the Chalukya rulers and is referred to as Kamboika .

Etymology of Kamboi

Kamboika is stated to have been evolved from the Pali

Páli

- External links :* *...

 Kambojaka

Kamboja (name)

Kamboja or Kambuja is the name of an ancient Indo-Iranian kingdom.They are believed to have been located originally in Pamirs and Badakshan in Central Asia.The name has a long history of attestation, both in the Iranian and the Indo-Aryan spheres....

 or Kambojika as follows:

Kambojika

> Kamboyika

> Kamboika since hard palatal j is known to change to soft y in Indo-Aryan languages and further yi > i.

The change of palatal j to soft y is not unusual. The Shabazgarhi Inscriptions of king Ashoka

Ashoka

Ashok Maurya or Ashoka , popularly known as Ashoka the Great, was an Indian emperor of the Maurya Dynasty who ruled almost all of the Indian subcontinent from ca. 269 BC to 232 BC. One of India's greatest emperors, Ashoka reigned over most of present-day India after a number of military conquests...

 also write Kamboja as Kamboya where j is replaced with y.
To give a few more illustrations, the terms SamJogita, SamaJa, Jajman, Jadu, Jogi and GaJni etc. are also found written as SamYokita, SamaYa Yajman Yadu, Yogi and GaYni where also the j has become soft y.

And lastly, the penultimate letter k being sandwiched between two vowels gets eliminated in ancient Indo-Aryan languages

Indo-Aryan languages

The Indo-Aryan languages constitutes a branch of the Indo-Iranian languages, itself a branch of the Indo-European language family...

 following a documented procedure as noted by ancient Prakrit

Prakrit

Prakrit is the name for a group of Middle Indic, Indo-Aryan languages, derived from Old Indic dialects. The word itself has a flexible definition, being defined sometimes as, "original, natural, artless, normal, ordinary, usual", or "vernacular", in contrast to the literary and religious...

ic Grammarians. According to third century Prakritic grammarian Acharya Varuchi, the consonants k, g, ch, j, t, d, p etc. falling between two vowel sounds usually get elited .

Hence KamboiKa > Kamboi

Thus, the 15th century records refer to this town as Kamboi .

Ancient Jain Tirtha

The Kamboi town also has an ancient and famous Jain tirtha

Tirtha

In Jainism, a tīrtha |ford]], a shallow part of a body of water that may be easily crossed") is used to refer both to pilgrimage sites as well as to the four sections of the sangha...

 (pilgrim place) by the same name located in the centre of the Kamboi town. There is also a Railway Station at Kamboi.

Land-locked Trade Port

Recent archaeological

Archaeology

Archaeology, or archeology , is the study of human society, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which includes artifacts, architecture, biofacts and cultural landscapes...

 excavations have discovered that even though land-locked now, the Kamboi and Kambay had been once well known sea port

Port

A port is a location on a coast or shore containing one or more harbors where ships can dock and transfer people or cargo to or from land....

s on the western coast of Gujarat. Similarly also, there was a port named Gandhar

Gandhara

Gandhāra , is the name of an ancient kingdom , located in northern Pakistan and eastern Afghanistan. Gandhara was located mainly in the vale of Peshawar, the Potohar plateau and on the Kabul River...

 localized in Taluka Bhroach (ancient Bharukachcha) contiguous to Narbada. http://www.gisdevelopment.net/application/archaeology/site/archs0004a.htm.