Words related to *bhle-
mid-15c., "a harmony of the Gospels;" 1620s, "action of fusing together," from Late Latin conflationem (nominative conflatio), noun of action from past-participle stem of Latin conflare "bring together, compose," also "melt together," literally "to blow together," from assimilated form of com "with, together" (see con-) + flare "to blow" (from PIE root *bhle- "to blow"). Meaning "inadvertent combination of two readings of the same passage" is from 1881.
Ancient flutes were direct, blown straight through a mouthpiece but held away from the player's mouth; the modern transverse or German flute developed 18c. The older style then sometimes were called flûte-a-bec (French, literally "flute with a beak"). The modern design and key system of the concert flute were perfected 1834 by Theobald Boehm. The architectural sense of "furrow in a pillar" (1650s) is from fancied resemblance to the inside of a flute split down the middle. Meaning "tall, slender wine glass" is from 1640s.