herðir (noun m.) ‘sword...’

• Hfr Lv 5^V (Hallfr 8)/5 — herði ‘the sword’996
• Eil Þdr 9^III/5 — herði ‘the strengthener’1000
• Stúfr Stúfdr 2^II/7 — herði ‘the strengthener’1067
• Eldj Lv 2^II/5 — herðis ‘of the strengthener’1100
• Hskv Hardr 2^II/1 — herðir ‘Strengthener’1137
• Þsvart Lv 1^II/1 — herði ‘the strengthener’1152
• SnSt Ht 37^III/3 — herði ‘to the strengthener’1221
• Anon Sól 76^VII/2 — Herðis ‘Herðir’s’1255
• Sturl Hrafn 6^II/8 — herði ‘strengthener’1264
• Anon Brúðv 8^VII/2 — herðir ‘promoter’1325
• Þul Sverða 6^III/6 — herðir ‘hardened one’?

elements in compounds

• Eskál Hardr 2^III — ógnherði ‘the terror-enhancer’ 980
• Eskál Vell 18^I — sǫngherðir ‘the strengthener {of the song’ 986
• Hávh Lv 10^V (Háv 11) — herðidraugar ‘The sword-tree-trunks’ 1003
• Edáð Banddr 7^I — fúrherðir ‘the hardener {of the fire’ 1010
• ÞBrún Lv 4^V (Heið 8) — herðigaldr ‘the sword-incantation’ 1014
• ÞKolb Eirdr 2^I — oddherðir ‘the point-hardener’ 1014
• Hallv Knútdr 3^III — snyrtiherðir ‘Splendid strengthener’ 1030
• ÞjóðA Frag 2^II — optherðir ‘frequent hardener’ 1065
• Hallm Hallkv 12^V (Bergb 12) — élherðar ‘storm-hardeners’ ?
• Karl Lv 1^V (Svarfd 3) — herðinjótum ‘the sword-users’ ?
• Kári Lv 2^V (Nj 47) — herðimeiðr ‘sword-tree’ ?