Etymology

From fro (prep.), perhaps an abbreviation of fro þat.

PGmc Ancestor

*frama

Proposed ON Etymon (OIcel representative)

frá ‘from’ 
(ONP frá (præp.))

Other Scandinavian Reflexes

Far frá, Icel frá, Nor frå, ODan fran, fra, Dan fra, Sw från, Sw dial frå

OE Cognate

fram, from 'from, by, of'

Phonological and morphological markers

loss of nasal consonant in ON

Summary category

A1*c

Attestation

Attested from early ME (and arguably late OE) mostly in the N and EM (see LAEME), but appears in texts from elsewhere by the early 13c and by later ME widespread across England.

Occurrences in the Gersum Corpus

Gaw 8, 62; Pe 251, 375, 958; Cl 353, 833, 1069 etc.; Pat 243; WA 725*, 2437, 4773

Bibliography

MED from (conj.) , OED fro (prep., adv. and conj.) , HTOED , EDD fro (prep. and adv.), Dance fro (b)(conj.), Bj. 100-101