Where does “निद्राचार” come from?

निद्राचार (Hindi) comes from Hindi निद्रा, from Sanskrit निद्रा, from Proto-Indo-Iranian *nidráH — sleep, slumber.

निद्राचार (Hindi): somnambulism, sleepwalking

Definitions

  1. somnambulism, sleepwalking

Ancestry of “निद्राचार”, step by step

StepLanguageWordMeaning
1Hindiनिद्राsleep, drowsiness
2Sanskritनिद्राsleep, slumber; to sleep
3Proto-Indo-Iranian*nidráHsleep, slumber
Every word from Proto-Indo-Iranian *nidráH →Every word from Sanskrit निद्रा →Every word from Hindi निद्रा →