出典:Wiktionary
出典:『Wiktionary』 (2025/04/28 17:16 UTC 版)
From German Bertram (according to Kluge appearing first in English in 1578), well-known, from Middle High German bertram, berhtram, from Old High German berhtram, from Latin pyrethrum, from Ancient Greek πύρεθρον (púrethron).