borax
n. US //ˈbɔˌɹæks// UK //bˈɔːɹæks// bo·rax
From Middle English boras, from Anglo-Norman boreis, from Medieval Latin borax, baurach (“borax”), from Arabic بَوْرَق (bawraq), from Middle Persian bwlk' (bōrag), which yielded Persian بوره (bure).