"glassy; made of glass; transparent," 1660s, from Latin hyalinus, from Greek hyalinos "of glass or crystal," from hyalos "glass" (see hyalo-).
Entries linking to hyaline
hyalo-
word-forming element in scientific compounds meaning "of glass; glass-like, transparent," from Greek hyalos "glass, clear alabaster, crystal lens used as a burning glass," apparently a non-Greek word, said to be of Egyptian origin (glass was first made in Egypt).