Finnish perjantai

← Old Swedish frēadagher (borrowed)

← Proto-West Germanic *Frījā dag (derived)

→ Estonian reede (cognate)

→ Finnish pe (mention)

→ Finnish pe (mention)

→ Finnish pitkäperjantai (compound)

→ Finnish perjantainen (suffix)

→ Finnish perjantaisin (suffix)

→ Finnish perjantai-ilta (compound)

→ Finnish perjantaiaamu (compound)

→ Finnish perjantaiaamupäivä (affix)

→ Finnish perjantai-iltapäivä (affix)

→ Finnish perjantaipäivä (affix)