noun:

• Antei era (1227.12.10-1229.3.5)

noun:

• two ken (approx. 3.6m) ➜ 間【けん】

noun:

• Ōchō era (1311.4.28-1312.3.20)

noun:

• juvenile Japanese sea perch (usu. 2-3 years in age and 40-60 cm in length) ➜ 鱸

noun:

• Tenroku era (970.3.25-973.12.20)

noun:

• Kōryaku era (of the Northern Court) (1379.3.22-1381.2.24)

noun:

• lutetium (Lu)

noun:

• Shōwa era (1312.3.20-1317.2.3)

noun:

• monme (unit of weight, 3.75 g)

noun:

• Bunpō era (1317.2.3-1319.4.28)

noun:

• Ōhō era (1161.9.4-1163.3.29)

noun:

• one-sided wait for the end tile of a three-in-a-row which will finish one's hand (i.e. for a 3 while holding 1-2, or for a 7 while holding 8-9) - Mahjong term

noun:

• township-neighbourhood system (redefining the province-district-neighbourhood system, establishing 50-home townships of 2-3 neighbourhoods each; 715-740 CE) ➜ 国郡里制

noun:

• Chōkan era (1163.3.29-1165.6.5)

noun:

• one-sided wait for the end tile of a three-in-a-row which will finish one's hand (i.e. for a 3 while holding 1-2, or for a 7 while holding 8-9) - Mahjong term - From Chinese ➜ 辺張待ち【ペンチャンまち】

noun:

• Festival of Origins (January 3) - Shintō term

noun:

• Kōō era (of the Northern Court) (1389.2.9-1390.3.26)

noun:

• Pi (3.1415926..)

noun:

• toddler clothes (by children after age 3, before age 5); baby clothes

noun:

• Sanriku offshore earthquake (esp. June 15, 1896, March 3, 1933, and March 11, 2011); Sanriku earthquake

noun:

• Tenchō era (824.1.5-834.1.3)

noun:

• hand-clapping performed to celebrate the conclusion or completion of something (3-3-3-1 rhythm, done once)
• single clap after a cheer

noun:

• Jōwa era (834.1.3-848.6.13); Shōwa era

noun:

• Ansei era (1854.11.27-1860.3.18)

noun:

• compromised shaku (compromise between the Kyouhou shaku and the Matajirou shaku; approx. 30.3 cm) - archaism