prī- / Indo-European roots
Examples of words with the root prī-: affray, afraid, free, freebooter, Friday, friend, Frigg, Siegfried.
To love.Oldest form *prihx- (becoming *priy- before vowels).
▲ Derivatives include filibuster, friend, Friday.
1. Suffixed form *priy-o-.
a. free from Old English frēo, free, and frēon, freogan, to love, set free;
b. filibuster, freebooter from Dutch vrij, free. Both a and b from Germanic *frijaz, beloved, belonging to the loved ones, not in bondage, free, and *frijōn, to love.
2. Suffixed (participial) form *priy-ont-, loving. friend from Old English frīond, frēond, friend, from Germanic *frijand-, lover, friend.
3. Suffixed shortened form *pri-tu-.
a. Siegfried from Old High German fridu, peace;
b. affray, afraid from Old French esfreer, to disturb, from Vulgar Latin *exfredāre, to break the peace, from ex-, out, away (see eghs) + *fridāre, to make peace, from Germanic *frithu-, peace;
c. Germanic *frij-, peace, safety, in compound *berg-frij- (see bhergh-2). a-c all from Germanic *frithuz, peace.
4. Suffixed feminine form *priy-ā-, beloved.
a. Frigg from Old Norse Frigg, goddess of the heavens, wife of Odin;
b. Friday from Old English Frīgedæg, Friday, from Germanic compound *frije-dagaz, "day of Frigg" (translation of Latin Veneris diēs, "Venus's day"). Both a and b from Germanic *frijjō, beloved, wife.
[Pokorny prāi- 844.]