月月火水木金金

Japanese

Kanji in this term
月	月	火	水	木	金	金
げつ Grade: 1	げつ Grade: 1	か Grade: 1	すい Grade: 1	もく Grade: 1	きん Grade: 1	きん Grade: 1
on'yomi

Etymology

Derived from the seven days of the week, but with the weekdays, 日 (nichi, “Sun.”) and 土 (do, “Sat.”) replaced with 月 (getsu, “Mon.”) and 金 (kin, “Fri.”).

Originates from the Imperial Japanese Navy.

Phrase

月(げつ)月(げつ)火(か)水(すい)木(もく)金(きん)金(きん) • (getsu-getsu-ka-sui-moku-kin-kin) 

1. "Mon-Mon-Tue-Wed-Thu-Fri-Fri" (i.e. working all seven days of the week, including weekends.)

Proper noun

月(げつ)月(げつ)火(か)水(すい)木(もく)金(きん)金(きん) • (Getsu-Getsu-Ka-Sui-Moku-Kin-Kin) 

1. An Imperial Japan-era military song.