The root word lingu/lingua originates from Latin and means "tongue" (जीभ) or "language" (भाषा). It is commonly used in English to form words related to communication, speech, and anatomical structures of the mouth.
Language (भाषा): A method of communication
Lingual (जीभ संबंधी): Related to the tongue or speech sounds
Linguist (भाषाविद्): A person who is skilled in languages
Bilingual (द्विभाषी): A person who speaks two languages
Monolingual (एकभाषी): A person who speaks only one language
Sublingual (जीभ के नीचे): Situated under the tongue (medical term)
Linguistics (भाषाविज्ञान): The scientific study of language