Where does “overlayer” come from?

overlayer (English) comes from English layer, from English lay, from English Lee, from Irish Laoi, from Middle Irish láed, from English loid, from English celluloid, from English cellulose — Forms agent nouns from verbal roots.

overlayer (English): A layer of adatoms adsorbed onto a surface, as...

Definitions

  1. A layer of adatoms adsorbed onto a surface, as...

Ancestry of “overlayer”, step by step

overlayer traces back through two separate lines of ancestry.

via English layer

StepLanguageWordMeaning
1EnglishlayerA single thickness of some material covering a...
2EnglishlayTo place down in a position of rest, or in a...
3EnglishLeefor someone who lived near a meadow (the Anglo-Saxon for meadow being ley or leag)
4IrishLaoilay, song
5Middle Irishláed
6EnglishloidA lock-picking tool made from a piece of...
7EnglishcelluloidAny of a variety of thermoplastics created from...
8EnglishcelluloseA complex carbohydrate that forms the main...
9Frenchcellulosecellulose
10Frenchcellulecell; table cell
11Latincellulasmall room, especially that of a slave; humble...
12Latin-ulusUsed to form a diminutive of a noun, indicating...
13Proto-Italic-olos
14Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
15Proto-Indo-European-e-lós
16Proto-Indo-European-lósForms agent nouns from verbal roots

via English over

StepLanguageWordMeaning
1EnglishoverDiscontinued; ended or concluded; Thoroughly;...
2Middle Englishoverriverbank, seashore, brink
3Old Englishōferriverbank, seashore, brink, edge, margin, border
4Proto-West Germanicobarover, above
5Proto-Germanicuberover; over, above
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European -lós