Gurmukhi is the most common script used for writing the Punjabi language

Punjabi language

Punjabi is an Indo-Aryan language spoken by inhabitants of the historical Punjab region . For Sikhs, the Punjabi language stands as the official language in which all ceremonies take place. In Pakistan, Punjabi is the most widely spoken language...

. An abugida

Abugida

An abugida , also called an alphasyllabary, is a segmental writing system in which consonant–vowel sequences are written as a unit: each unit is based on a consonant letter, and vowel notation is obligatory but secondary...

 derived from the Laṇḍā

Landa

Landa is a Basque surname.Landa may refer to:Places* Landa, North Dakota* Landa de MatamorosPeople* Alfredo Landa* Diego de Landa, fourth bishop of Yucatan* Daniel Landa, Czech musician* Eli Landa* Honorino Landa* Konstantin Landa...

 script and ultimately descended from Brahmi

Brāhmī script

Brāhmī is the modern name given to the oldest members of the Brahmic family of scripts. The best-known Brāhmī inscriptions are the rock-cut edicts of Ashoka in north-central India, dated to the 3rd century BCE. These are traditionally considered to be early known examples of Brāhmī writing...

, Gurmukhi was standardized by the second Sikh

Sikh

A Sikh is a follower of Sikhism. It primarily originated in the 15th century in the Punjab region of South Asia. The term "Sikh" has its origin in Sanskrit term शिष्य , meaning "disciple, student" or शिक्ष , meaning "instruction"...

 guru, Guru Angad Dev Ji, in the 16th century. The whole of the Sri Guru Granth Sahib

Guru Granth Sahib

Sri Guru Granth Sahib , or Adi Granth, is the religious text of Sikhism. It is the final and eternal guru of the Sikhs. It is a voluminous text of 1430 angs, compiled and composed during the period of Sikh gurus, from 1469 to 1708...

 Ji's 1430 pages are written in this script. The name Gurmukhi is derived from the Old Punjabi term "guramukhī", meaning "from the mouth of the Guru".

Modern Gurmukhi has forty-one consonants (vianjan), nine vowel symbols (lāga mātrā), two symbols for nasal sounds (bindī and ), and one symbol which duplicates the sound of any consonant (addak).