(Aramaic) corresponding to nadab; be (or give) liberal(-ly) -- (be minded of...own) freewill (offering), offer freely (willingly).
see HEBREW nadab
[נְדַב] verb Hithpa`el volunteer, offer freely (ᵑ7 Biblical Hebrew נָדַב); — Perfect3masculine plural הִתְנַדַּ֫בוּ Ezra 7:15; Infinitive הִתְנַדָּבוּת 7:16; Participle 7:13; plural מִתְנַדַּב 7:13; plural דְּבִין- 7:16; —
1 volunteer, followed by infinitive, Ezra 7:13.
2 give, or offer freely, Ezra 7:15, accusative of thing + ל of God; 7:16, with ל of temple; freewill gift (infinitive, properly freewill giving) 7:16.