ひらさら

Meanings

1

earnestly; intently; determinedly

usually written using kana alonearchaic

Archaic adverb expressing strong determination or earnestness. Not used in modern Japanese; encountered only in classical texts.

古こ典てんでは「ひらさら」を「ひたすらに」の意い味みで使つかうことがある。
In classical texts, ひらさら is sometimes used to mean 'earnestly' or 'single-mindedly'.

2

the heck; in the world; on earth

usually written using kana alonearchaic

Archaic emphatic interrogative, similar to 一体全体. Used in old expressions like 何ひらさら (what the heck). Not productive in modern Japanese.

See also: 一体全体 (いったいぜんたい)

古こ語ごでは「何なにひらさら」のように疑ぎ問もんを強つよめるのに用もちいられた。
In old language, it was used to strengthen questions, as in 何ひらさら (what on earth).