rine
nounEtymology From Middle English rune, from Old English ryne (“a course, run, running, orbit, a flow, flux, period of time, cycle, luster, expanse, extent”), from Proto-Germanic *runiz (“course”), from Proto-Indo-European *h₃er- (“to cause to move, grow”). Cognate with German Ronne (“a channel”), Icelandic ryne (“a flow, stream”). See runnel.