¹sýja (noun f.) [°-u; -ur] ‘planking, vessel...’

• EVald Þórr 3^III/1 — sýjur ‘rivetted planks’1000
• Anon Óldr 4^I/5 — s*ýjur ‘vessels’1190
• SnSt Ht 38^III/5 — sýjur ‘rivetings’1221
• Sturl Hryn 16^II/7 — sýjur ‘ships’1262
• Bjbp Jóms 16^I/7 — sýju ‘the planking’?
• Þul Skipa 5^III/3 — sýjur ‘clinchings’?

elements in compounds

• Þul Skipa 9^III — kjǫlsýja ‘garboard’ ?