þrévetrlýsingarorðþré-vetradj. (in mod. usage also þré-vetra, indecl.), three winter’s (i. e. years) old, Eg. 147, Hkr. iii. 188, Fms. i. 77, Ld. 56, Orkn. 278, Grág. i. 503, ii. 122, 258, Jb. 196.