guar
UK[ɡɑː]US[ɡɑːr]
n
A drought-resistant leguminous plant (Cyamopsis tetragonoloba) cultivated for its seeds, which yield a gum used as a thickener and stabilizer in food and industrial products.
n
The gum (guar gum) obtained from the seeds of this plant.
Etymology
The word 'guar' entered English in the late 19th century, borrowed directly from Hindi 'gvār'. Its ultimate origin traces back to Sanskrit 'gopālī', meaning 'cowherd', likely through association with the plant's use as cattle fodder. This journey from a term for a herder to the name of a specific plant exemplifies the common linguistic process where a loanword's original cultural context shapes its new designation. The modern, specialized meaning in English is entirely tied to the commercial and industrial uses of the plant and its derivative gum, severing the semantic connection to its pastoral Sanskrit roots.
Analysis
The word 'guar' is a simplex, borrowed as a whole from Hindi 'gvār'. It is not productively formed from smaller, meaningful morphemes within the English language.
Examples
Guar is primarily grown in India and Pakistan for its gum-producing seeds.
Guar gum is a common additive in ice cream, preventing the formation of ice crystals.
The demand for guar surged due to its use in hydraulic fracturing for oil and gas extraction.