सिक्किम मुंनि जोनोम जानायनि बुफुरलुवा बे दि बेयो मोन्नै लिम्बु सोदोबनि जथायनाइ: सु, जायनि ओंथिया "गोदान", आरो ख्यिम, जायनि ओंथिया "राजमहल" एबा "न'"।
The origin theory of the name Sikkim is that it is a combination of two Limbu words: su, which means "new", and khyim, which means "palace" or "house".