驚きょう駭がい

Meanings

1

noun, noun or participle which takes 'suru'

Rare literary word for being very surprised or astonished. In modern Japanese, 驚き (おどろき) or 驚愕 (きょうがく) are far more common.

駭be surprised

驚きょう愕がく
More common word for astonishment or shock; 驚駭 is rarer and more literary.
驚おどろき
Everyday word for surprise; 驚駭 is a much stronger and rarer expression.

Compound of 驚 (kyō, 'surprise') and 駭 (gai, 'astonish'). The second character is rare and not used in modern common vocabulary.