出典:Wiktionary
出典:『Wiktionary』 (2025/01/08 21:44 UTC 版)
From 古期英語 sċulan, from Proto-West Germanic *skulan, from Proto-Germanic *skulaną, from Proto-Indo-European *skel- (“to be obligated, owe, be guilty”).
schulen (defective, often modal and auxiliary)