Where does “чердачный” come from?

чердачный (Russian) comes from Russian черда́к, from Persian چارتاق, from Persian طاق, from Arabic طاق, from Middle Iranian tāk.

чердачный (Russian): attic, loft

Definitions

  1. attic, loft

Ancestry of “чердачный”, step by step

StepLanguageWordMeaning
1Russianчерда́кattic, garret, loft (an attic or similar space)
2PersianچارتاقAlternative spelling of چارطاق; four-arch
3Persianطاقvault; arch
4Arabicطاقto bear; arch
5Middle Iraniantāk—
Every word from Middle Iranian tāk →Every word from Arabic طاق →Every word from Persian طاق →