to come back or go back (to somewhere one belongs or to some place that is one's own)
köken: Inherited from Proto-Vietic *veːr (“to return”), from Proto-Austroasiatic *wi:r (“to go around, to return”). Cognate with Muong wềl, Khmu wer ("to roll, to turn to the opposite end") and Khmer វេរ (vei). Doublet of quê through a prefixed protoform. Most prepositions in Vietnamese were originally verbs: ở (“to stay; at, in”), đến (“to come; to”), tới (“to arrive; to”), lên (“to go up; onto”), vào…
used to indicate the place someone or something is going to or toward; for, to · used to indicate an amount of time; for, in, during · used to indicate the time when something is arranged or intended to happen; for
köken: First attested in the early 19th century. Perhaps a univerbation of Middle Irish mad (“if it be”) + do leith (“with respect”) + re (“to”), a variant of mad i leith fri which gave mar le.