from The American Heritage® Dictionary of the English Language, 4th Edition
- Within: intraocular.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- a prefix signifying inside, within, interior, during
from the GNU version of the Collaborative International Dictionary of English
- A prefix signifying in, within, interior
from The Century Dictionary and Cyclopedia
- n. A Latin preposition and adverb, meaning ‘within,’ used in some phrases occasionally met in English.
- n. A prefix in many words from the Latin, meaning ‘within.’ In the following etymologies it is treated much like inter-.
Latin intrā-, from intrā; see en in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin intra ("within") (Wiktionary)