láǹgà-láǹgà noun /lá.ŋ̀.ɡà.lá.ŋ̀.ɡà/
Definitions
  1. A small machete used to cut grass
Etymology
From Hausa làngà-làngà.
Source: Wiktionary, where this word is spelled “langa-langa”. Reference: en-langa-langa-yo-noun-0wdwEnt7