The story
- Proto-Malayo-Polynesian*bunduk
- Tagalogbundok
- Englishboondock
- English todayboondocker
From boondock + -er. Adopted by 1944 as U.S. services slang word for field boots during World War II under the U.S. military.
Etymology from Wiktionary, CC BY-SA 4.0.