Where does “underlap” come from?

underlap (English) comes from English lap, from Middle English lappen, from Old English lapian, from Tagalog lapi, from Spanish lápiz, from Italian lapis, from Latin lapis, from Proto-Italic *lapets — stone.

underlap (English): To be overlapped by; to protrude underneath

Definitions

  1. To be overlapped by; to protrude underneath

Ancestry of “underlap”, step by step

underlap traces back through two separate lines of ancestry.

via English lap

StepLanguageWordMeaning
1EnglishlapThe loose part of a coat; the lower part of a...
2Middle Englishlappento wrap, fold
3Old Englishlapianto lick, lap up, suck
4Tagaloglapijoining or attaching a part to a whole; affix
5Spanishlápizpencil
6Italianlapispencil; sanguine
7Latinlapisa stone; a milestone; a boundary stone
8Proto-Italic*lapetsstone

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Italic *lapets
underlap — Etymology, Origin & Word History | Etymology Explorer