このあいだ

• (contraction) こないだ (konaida)

Compound of 此の (kono, “this”) +‎ 間 (aida, “interval, span of time”); literally, "this interval, this time [that has just passed]".[1][2][3][4]

First cited in the 太平記 (Taiheiki) of the late 1300s.[1]

• (Tokyo) このあいだ​ [kònó áídáꜜ] (Odaka – [5])[3][4] when used as a noun, with a following particle
• (Tokyo) このあいだ [kònó áídá] (Heiban – [0])[3][4][5] when used as an adverb, without a following particle
• IPA^(key): [ko̞no̞ a̠ida̠]

このあいだ • (kono aida) ^{←このあひだ (kono afida)?}

1. [from late 1300s] the other day, lately, recently, during this period, not too long ago

   この間(あいだ)、日(に)本(ほん)経(けい)済(ざい)は全(まった)く異(こと)なった状(じょう)況(きょう)にありました。

   Kono aida, Nihon keizai wa mattaku kotonatta jōkyō ni arimashita.

   During this time, Japan's economy found itself in a completely different situation.

このあいだ • (konoaida) ^{←このあひだ (konoafida)?}

1. [from late 1300s] the other day, a recent time

   この間(あいだ)は青(あお)山(やま)公(こう)園(えん)に行(い)った。

   Kono aida wa Aoyama Kōen ni itta.

   The other day, we went to Aoyama Park.