Source: A 1931 dictionary
Kothi (कोथि) is the Nepali word for the silver chape on the scabbard of a khukurī.1
Such khukurī are also called kothimora khukurī and were often presentation pieces, awarded to Ghurkas for special merit. The kothi is usually made entirely of silver and worked in repousse. Sometimes sections of it were parcel gilt.
A fine kothimora khukurī with its rtypically large and ornamental kothi.
Sold by Mandarin Mansion in 2020.
For a complete overview of khukurī terminology, see my article: A Nepalese khukurī glossary.
1. Sir Ralph Lilley Turner; A comparative and etymological dictionary of the Nepali language. London: K. Paul, Trench, Trubner, 1931.