fastna (verb) ‘[be engaged to]...’

• KormǪ Lv 32^V (Korm 51)/7 — fastnaði ‘betrothed’963
• Anon Vitn 12^VII/6 — fastna ‘be engaged to’1392
• Brúni Lv 1^VIII (Ket 1)/5 — fastna ‘engage’?

elements in compounds