be hoist with one's own petard

To be undone by one's own schemes.

Name	Pronounced	Usage
Phebe	FEE-bee (English)	English, Biblical
Koen	KOON	Dutch
BetÜL	-	Turkish
Nora	NAWR-ə (English), NO-rah (German)	Irish, English, Swedish, Norwegian, Danish, German, Dutch, Italian
Najwa	-	Arabic
Brynja	BRIN-yah (Icelandic)	Icelandic, Ancient Scandinavian