báírò noun /bá.í.ɾò/
Definitions
  1. pen (in particular) ballpoint pen
Etymology
From the BIRO brand of pens made by the BIC corporation, which were named after László Bíró, the inventor of the pen.
Source: Wiktionary, where this word is spelled “bairo”. Reference: en-bairo-yo-noun-aK54BOrN