- a combining form meaning “thin,” “fine,” “slight,” used in the formation of compound words: leptophyllous.
Also especially before a vowel, lept-.
Origin of lepto-
< Greek lepto-, combining form of leptós thin, slight, fine, literally, stripped, equivalent to lép(ein) to strip + -tos adj. suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel lept-
- fine, slender, or slightleptosome
from Greek leptos thin, literally: peeled, from lepein to peel
- Slender; thin; fine:leptocyte.