frumvaxtilýsingarorðfrum-vaxtiand frum-vaxta (frum-vaxinn, Nj. 147, v. l.), adj. ‘first-grown,’ in one’s prime, Nj. 112, Fs. 31, Fms. i. 157, xi. 3, Ísl. ii. 203; dóttir f., Eg. 247, Grett. 97.