From Definition

frŭm, frŏm; frəm when unstressed

preposition

Used to indicate a specified place or time as a starting point.

Walked home from the station; from six o'clock on.

American Heritage

Beginning at (a point of departure as for motion, duration, or action)

Leaving from the station.

Webster's New World

At a certain distance away with respect to.

A mile from town.

Webster's New World

Starting with (the first of two named limits)

From noon to midnight.

Webster's New World

Used to indicate a source, cause, agent, or instrument.

A note from the teacher; taking a book from the shelf.

American Heritage

Synonyms:

Idioms, Phrasal Verbs Related to From

From Middle English from (“from”), from Old English from, fram (“forward, from”), from Proto-Germanic *fram (“forward, from, away”), from Proto-Indo-European *pr-, *pro-, *perəm-, *prom- (“forth, forward”), from *por- (“forward, through”). Cognate with Old Saxon fram (“from”) and Old High German fram (“from”), Danish frem (“forth, forward”), Danish fra (“from”), Swedish fram (“forth, forward”), Swedish från (“from”), Icelandic fram (“forward, on”), Icelandic frá (“from”), Albanian pre, prej. More at fro.

From Wiktionary
Middle English from Old English fram forward, from per¹ in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition