The Tocharian B word pilke
Word pilke
p i l k e
IPA pilke
Meaning copper

Comments
Douglas Q. Adams, “Etymological Dictionary of Tocharian B”, 1999, Brill

Other words that might be of interest
latkanaṃ ‘to cut’, kantanatär ‘to rub’, amok ‘art, artifice’, peret ‘ax’, trik- ‘astray, go, lead’, wālts- ‘agitate’, iścem ‘brick’, käl-1 ‘bear’, śanmau ‘bond’, swāñco ‘beam’, meske ‘chain’, śerkw ‘cord’, yasa ‘gold’, eñcuwo ‘iron’, kṣur ‘knife’, āk- ‘lead’, wayauca ‘leader’, sopi(ye) ‘net’, pänn- ‘pull up’, yāntär ‘tool’, kwriye ‘clay’