Where does “headlap” come from?

headlap (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.

headlap (English): The length of overlap between overlapping roof...

Definitions

  1. The length of overlap between overlapping roof...

Ancestry of “headlap”, step by step

headlap 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 head

StepLanguageWordMeaning
1EnglishheadThe part of the body of an animal or human which...
2English-yAdded to nouns and adjectives to form adjectives...
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Italic *lapets