wherethan

where +‎ than

• (Received Pronunciation) enPR: hwârdhănʹ, IPA^(key): /ʍɛəˈðæn/

wherethan

1. (rare) Than which.
   • 1885, Richard Francis Burton, One Thousand and One Nights:

     Then Miriam wept passing sore wherethan naught could be more, making sure of separation, and cried to the druggist's wife, “O my mother, said I not to thee that my lord Nur al-Din had been tricked into selling me? […]

• heathwren