SAOB
Svenska Akademiens ordbok
publicerad: 1933  
I, prep. o. adv. ssgr (forts.; jfr anm. sp. 38):
I-FATA, -ning. bärgv. fata (kol, malm o. d. i ngt). NoraskogArk. 6: 97 (1821). Ström MinnB 14 (c. 1865).
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