...de Lacarda records it as the "Guarava," probably a dialectic form of Lualava... 
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
...On the leftwas Dialectic...
John W. Bradley 「Illuminated Manuscripts」
便利！手書き漢字入力検索
この漢字は何でしょう？？