enter
UK[ˈentə(r)]US[ˈentər]
v
To come or go into a place
v
To begin to be involved in an activity, profession, or situation
v
To write or type information in a book, computer, or list
Etymology
The word 'enter' has a direct lineage from Latin into modern English. It originates from the Latin verb 'intrare', meaning 'to go into', which is derived from the adverb/preposition 'intra', signifying 'within' or 'on the inside'. This Latin term passed into Old French as 'entrer', and was subsequently adopted into Middle English around the 13th century. The core semantic logic has remained remarkably consistent: the concept of moving from an outer space to an inner one, which neatly extends from physical passage into abstract notions like beginning an activity or recording data into a defined space.
Analysis
The word 'enter' is a simplex form derived from Old French 'entrer', which itself came from Latin 'intrare', meaning 'to go into'. The Latin root is 'intra', meaning 'within'. In English, it functions as a complete, unanalyzable verb root.
Examples
Please knock before you enter the room.
She decided to enter the field of medical research.
You must enter your password to access the account.