出典:Wiktionary
出典:『Wiktionary』 (2026/01/10 20:41 UTC 版)
Borrowed from Spanish palmo (“handspan”) and Portuguese palmo (“handspan”), both from Latin palmus. Doublet of palm, palma, and pam.
From palma (“hand, palm of the hand; branch”) + -ō.
出典:『Wiktionary』 (2025/11/27 00:09 UTC 版)
By surface analysis, palm (“flat hand”) + -o-.
From Ancient Greek παλμός (palmós) + -o-.