OE bam tree, beam (of wood), column of light ＜ (WGmc) bauma (Du. boom / G Baum tree) ← IE bheu-🔗⭐🔉

OE bam tree, beam (of wood), column of light ＜ (WGmc) bauma (Du. boom / G Baum tree) ← IE bheu- 'to BE, grow'

研究社新英和大辞典 ページ 173472 での【of woodWGmcDu. boom / G Baum tree】単語。