From <span class="searchmatch">チャコ</span> (chako) + <span class="searchmatch">ペン</span> (pen). IPA(key): [t͡ɕa̠ko̞pẽ̞ɴ] <span class="searchmatch">チャコ</span><span class="searchmatch">ペン</span> • (chako-pen) tailor's-chalk pen...
[cháꜜkò] (Atamadaka – [1]) IPA(key): [t͡ɕa̠ko̞] チャコ • (chako) tailor's chalk <span class="searchmatch">チャコ</span><span class="searchmatch">ペン</span> (chako-pen) ^ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese)...