(そろ;そう;さう;す) (aux) (arch) (pol) (See 候ふ) to be (auxiliary used in place of "aru" after "de" or "ni" when forming a copula); to do (auxiliary used in place of "-masu" after a -masu stem) [EDICT]
(そうろう;そうらう(ok)) (v4h,vi) (1) (候ふ only) (arch) to serve (by a superior's side); (aux-v,v4h) (2) (pol) to be (auxiliary used in place of "aru" after "de" or "ni" when forming a copula); to do (auxiliary used in place of "-masu" after a -masu stem) [EDICT]