Where does “slit lamp” come from?

slit lamp (English) comes from English lamp, from Middle English laumpe, from Old French lampe, from Late Latin lampada, from Latin lampas, from Ancient Greek λαμπάς, from Ancient Greek -ᾰ́ς, from Proto-Indo-European -ónts — sound, voice.

slit lamp (English): A lamp whose light exits through a narrow slit

Definitions

  1. A lamp whose light exits through a narrow slit

Ancestry of “slit lamp”, step by step

slit lamp traces back through two separate lines of ancestry.

via English lamp

StepLanguageWordMeaning
1EnglishlampA device that generates heat, light or other...
2Middle EnglishlaumpeA lamp or light; A metaphorical light or fire; An...
3Old Frenchlampelamp
4Late LatinlampadaAlternative form of lampas; lamp
5Latinlampaslamp, lantern; torch, flambeau; firebrand
6Ancient Greekλαμπάςtorch, wax-light; lamp
7Ancient Greek-ᾰ́ςgroup of
8Proto-Indo-European-óntsDerives nouns denoting body parts
9Hungarianöntto pour; to cast; accusative singular of ön
10Hungarianönyou
11Hungarianön-self-
12Turkishönfront
13Ottoman Turkishاوكvoice (of human or animal); sound
14Proto-Turkicǖnsound, voice

via English slit

StepLanguageWordMeaning
1EnglishslitA narrow cut or opening; a slot; The opening of...
2Englishslittenpast participle of slit
3Old Englishslītanto slit, tear, rend, shiver, split, rend to...
4Proto-West Germanicslītanto tear apart
5Proto-Germanicslītanąto tear apart
6Proto-Indo-Europeansleyd-
Every word from Proto-Turkic ǖnEvery word from Ancient Greek -ᾰ́ςEvery word from Ancient Greek λαμπάς