Where does “lencana” come from?

lencana (Malay) comes from Sanskrit लाञ्छन, from Sanskrit -अन, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

lencana (Malay): badge

Definitions

Step	Language	Word	Meaning
1	Sanskrit	लाञ्छन	a mark, sign, token; a mark of ignominy, stain,...
2	Sanskrit	-अन	forms neuter nouns
3	Proto-Indo-European	-nós	Creates verbal adjectives from roots

lencana — Etymology, Origin & Word History | Etymology Explorer