Latin lampas came from Greek and passed through Anglo-French lampe toward English. Its deeper verb is Greek lampein, to shine.
The Greek noun and Middle English stage are compressed. Related Hittite is a cognate, not a donor.
Sources
- Merriam-Webster: lamp
Greek lampein precedes the selected Latin lampas, Anglo-French lampe and English lamp; the Greek noun and Middle English stage are compressed.
- Anglo-Norman Dictionary · lampe
Meanings of the older forms on the word path.
- Online Etymology Dictionary · lamp
Meanings of the older forms on the word path.
- logeion.uchicago.edu · lampas
Meanings of the older forms on the word path.