mätäkuu

English Wikipedia has an article on:

Dog days

Wikipedia

From mätä (“rot”) +‎ kuu (“month”), a calque of Swedish rötmånad (“rot month”), from Danish, from Middle Low German rodendage (“dog days”), i.e. the days after the Heliacal rising of the Dog Star (Sirius), which was an important phenomenon in the astronomy of the olden times. The Middle Low German word rode (“dog”) was mistranslated into Danish as roden (“rot”).

• IPA^(key): /ˈmætæˌkuː/, [ˈmæt̪æˌkuː]
• Rhymes: -uː
• Syllabification^(key): mä‧tä‧kuu

mätäkuu (dated)

1. (calendar) dog days (period of time, in Finland traditionally July 23rd to August 23rd)

• mätäkuinen
• mätäkuun juttu

• “mätäkuu”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-03