from The American Heritage® Dictionary of the English Language, 4th Edition
- adv. Away; back: moving to and fro.
- prep. Scots From.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. From; away; back or backward. In modern English used only in the set phrase to and fro ("back and forth").
- n. An afro (hairstyle).
from the GNU version of the Collaborative International Dictionary of English
- adv. From; away; back or backward; -- now used only in opposition to the word to, in the phrase to and fro, that is, to and from. See to and fro under to.
- prep. From.
from The Century Dictionary and Cyclopedia
- From; away; back or backward: as in the phrase to and fro (that is, to and from, forward or toward and backward).
Middle English, probably from Old Norse frā; see per1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English fro, fra, from Old English fra ("from"), from Old Norse frá ("from"), from Proto-Germanic *fram (“from”), from Proto-Indo-European *promo- (“forth, forward”). Cognate with Scots frae ("fro, from"), Icelandic frá ("from"). More at from. (Wiktionary)
A shortening of afro. (Wiktionary)