3.15 Language

Language families and branches

A language family is a group of languages descended from a common ancestral tongue, like Indo-European, the world's largest family. Within families, branches share more recent common origins and greater similarity, such as Germanic or Romance branches. Branches divide further into groups and individual languages, showing how languages diverge over time and space.

Standard, official, and lingua franca

A standard language is the version taught in schools and used in media/government, like Mandarin in China. An official language is legally designated for government use, sometimes to unify multilingual states like India. A lingua franca is a common language used for trade or communication among speakers of different native languages, such as Swahili in East Africa.

Dialects, pidgins, and creoles

A dialect is a regional variation of a language with distinct vocabulary, pronunciation, or grammar. An isogloss marks the boundary of a particular dialect trait. A pidgin is a simplified mix of two+ languages for basic communication, often from trade or colonization. If a pidgin becomes a community's native language with full grammar, it develops into a creole.

Key terms

Language family

A group of languages descended from a common ancestral language, e.g., Indo-European.

Official language

A language legally designated for use in government and administration, sometimes to unify multilingual populations.

Lingua franca

A common language used for communication between speakers of different native languages, often for trade (e.g., Swahili).

Pidgin

A simplified mixture of two or more languages used for basic communication, often arising from trade or colonization.

Creole

A pidgin that has evolved into a fully developed native language with complete grammar for a community.

Try an AP-style question

A language family is…

1. languages spoken in one country
2. a set of dialects
3. a group of alphabets
4. languages sharing a common ancestor