ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
出典:『Wiktionary』 (2024/09/07 20:40 UTC 版)
From whelp (“of a canid, to give birth”, verb) + day, by analogy with birthday (“the anniversary of the day on which someone is born”).
whelpday (plural whelpdays)
whelpday