[wo] (prt) (1) indicates direct object of action; (2) indicates subject of causative expression; (3) indicates an area traversed; (4) indicates time (period) over which action takes place; (5) indicates point of departure or separation of action; (6) (See が) indicates object of desire, like, hate, etc.; (P) #3
[べ, be] (n) hereditary occupational group (Yamato period) #104
[ぐん(P);こおり, gun (P); koori] (n) (1) (ぐん only) district; county; (2) (See 国郡里制) district (of 2-20 50-home neighbourhoods or townships, in the ritsuryo period); (P) #135
[じだい, jidai] (n-t, n) (1) period; epoch; era; age; (2) the times; those days; (3) oldness; ancientness; antiquity; (4) (abbr) (See 時代物) antique; period piece; (P) #169
[つぼね, tsubone] (n) (1) court lady; lady-in-waiting (Heian period); (2) (See 曹司・1) separate room in a palace (esp. for a lady) (Heian period); (3) room for a very low class prostitute; (4) (See 局女郎) very low class prostitute #177
[ま, ma] (n-adv, n) (1) space (between); gap; interval; distance; (n-adv, n-t) (2) time (between); pause; break; (n-adv, n, n-t) (3) span (temporal or spatial); stretch; period (while); (n-adv, n) (4) relationship (between, among); (5) members (within, among); (conj) (6) (あいだ only) (arch) due to; because of; (P) #202
[ま, ma] (n, suf) (1) interval; period of time; (2) among; between; inter- #202
[けい, kei] (n, n-suf) (1) system; lineage; group; (2) { math } corollary; (3) (geological) system (range of strata that correspond to a particular time period); (4) (taxonomical) series; (P) #222
[つち(P);つし(地), tsuchi (P); tsushi ( chi )] (n) (1) earth; soil; dirt; (2) the earth (historically, esp. as opposed to the heavens); the ground; the land; (3) (See 鳥の子紙) low-quality torinoko-gami (containing mud); (4) (also written as 犯土, 椎, 槌) (See 陰陽道) (period of) refraining from construction in the direction of the god of the earth (in On'youdou); (P) #252
[き, ki] (n, n-suf) (1) period; time; (2) (geological) age #341