(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]
(tōng, ㄊㄨㄥ) to go through; to know well; to connect; to communicate; open [CE-DICT]
常
(えいきゅう(永久)(P);とこしえ(永久);とわ) (adj-na,n,adj-no) (1) (とわ tends to be more abstract) eternity; perpetuity; immortality; (2) (えいきゅう only) Eikyuu era (1113.7.13-1118.4.3); (P) [EDICT]