foll-, folli-

(Latin: bag; bellows; windbag; moneybag)

folleatus
Loose, baggy.
follically challenged
Bald
follicle (s), follicles (pl)
1. A small anatomical bodily cavity, sac, or gland involved in secretion or excretion.
2. A crypt or minute cul-de-sac or lacuna; such as, the depression in the skin from which the hair emerges.
3. A spherical mass of cells usually containing a cavity.
4. A dry, single-chambered fruit that splits along only one seam to release its seeds, as in larkspur and milkweed.
5. A dry dehiscent fruit developed from a single carpel and containing many seeds; splits along one suture only to release seeds on ripening.
6. A small bag filled with air.
follicle mite
Any of several minute mites, often parasitic in hair follicles.
folliclis
A tuberculid involving the extremities and sometimes the face.
follicular
1. Relating to, having, or resembling a follicle or follicles.
2. Affecting or growing out of a follicle or follicles.
3. Affecting the follicles; such as, follicular pharyngitis.
follicular lymphoma
A premalignant lymphoma in which the lymph nodes show enlarged follicles composed predominantly of closely packed, large reticuloendothelial cells.
folliculitis
1. Inflammation of a follicle or follicles, used ordinarily in reference to hair follicles, but sometimes in relation to follicles of other kinds.
2. Inflammation especially of a hair follicle which may produce small boils.
folliculoid
Resembling a follicle.
folliculose
1. Resembling a follicle.
2. Marked by many follicles.
folliculosis
A condition of having excess numbers of follicles; such as, lymph follicles.
folliculus
1. A follicle.
2. A spherical collection of cells which may contain a cavity.
fool
1. Someone who is deficient in judgment, sense, or understanding.
2. A person who acts unwisely on a given occasion: "He was a fool to have quit his job."
3. One who has been tricked or made to appear ridiculous; a dupe: "They made a fool of me by pretending I had won the contest."
4. Informal, a person with a talent or enthusiasm for a certain activity; such as, a singing fool.
5. A member of a royal or noble household who provided entertainment, as with jokes or antics; a jester.
6. Any one who subverts convention or orthodoxy or varies from social conformity in order to reveal spiritual or moral truth.
7. A dessert made of stewed or puréed fruit mixed with cream or custard and served cold.
8. Archaic: A mentally deficient person; an idiot.

Etymological formations

From about 1275, from Old French fol, "madman, insane person"; also, an adjective meaning "mad, insane" from Latin follis, "bellows, leather bag", in Vulgar Latin, used with a sense of "a windbag, an empty-headed person".

The pejorative nature of the term fool is strengthened by a knowledge of its etymology. Its source, the Latin word follis, meant “a bag or sack, a large inflated ball, a pair of bellows.” Users of the word in Late Latin, however, saw a resemblance between the bellows or the inflated ball and someone who was what people now call “a windbag” or “an airhead”.

The word, which passed into English by way of French, is first recorded in English in a work written around the beginning of the 13th century (Chaucer's Canterbury Tales) with the sense “a foolish, a stupid", or "an ignorant person.”

The American Heritage Dictionary and The Barnhart Dictionary of Etymology
foolhardy, foolhardiness
Showing boldness or courage but not wisdom or good sense.
foolish, foolishness
1. Showing, or resulting from, a lack of good sense or judgment; foolish behavior.
2. Feeling or appearing ridiculous: "Wipe that foolish grin off your face!"
3. Unsure about the appropriateness of one's actions or speech: "I felt so foolish when I said that."
4. Lacking importance or substance: "It was a foolish idea to go out into such weather."

Links to hair units. Other hair-content units: coiffeur, hirsute, pilo-, and tricho-.