Please suggest Maithili translation for word कठबेंग

कठबेंग in Maithili - https://www.khandbahale.com/language/maithili-dictionary-translation-meaning-of-%e0%a4%95%e0%a4%a0%e0%a4%ac%e0%a5%87%e0%a4%82%e0%a4%97

I use khandbahale.com to translate Indian language word meaning. कठबेंग in Maithili मैथिली Khandbahale Dictionary here is an url https://www.khandbahale.com/language/maithili-dictionary-translation-meaning-of-%e0%a4%95%e0%a4%a0%e0%a4%ac%e0%a5%87%e0%a4%82%e0%a4%97