すべからく
Meanings
Adverb
1. absolutely (ought to); by all means (Usually kana, usu. used with べし or べき)
2. all; entirely (Usually kana, non-standard usage)
Other spellings
須らく須く
Kanji in other spellings
Pitch accent
すべからく
Examples1
子 たる 者 すべからく 親 の 命 に 従う べし。
Children should obey their parents.