Etymology

From Old French lasniere ‎(“thong, lash”), from lasne ‎(“strap, thong”), alteration of nasle ‎(“strap, thong”), from Frankish *nastila ‎(“tie, headband”), from Proto-Germanic *nastilō ‎(“tie, thread, strap”), from Proto-Indo-European *nedh- ‎(“to tie together”).