English
invagination
From invaginate + -ion.
A compound of invaginate + -ion
Proto-Italic *wāgīnā ‘sheath, scabbard’
Medieval Latin vāgīna ‘sheath’
Medieval Latin invāgīnāre
Medieval Latin invāgīnātus
English invaginate
Today it means
noun The process where an anatomical part invaginates upon itself or into another structure.
Language periods are conventional ranges, not dates for this word.
Etymograph / invagination