Where does “nonleaf” come from?

nonleaf (English) comes from English leaf, from Old English Leofa, from Old English lēof, from West Germanic *leub, from Proto-Germanic leubaz, from Proto-Indo-European lewbʰ-, from Proto-Indo-European lēw- — to sound, resound, sing out; to leave.

nonleaf (English): A node in a data structure that is not a leaf...

Definitions

  1. A node in a data structure that is not a leaf...

Ancestry of “nonleaf”, step by step

nonleaf traces back through two separate lines of ancestry.

via English leaf

StepLanguageWordMeaning
1EnglishleafThe usually green and flat organ that represents...
2Old EnglishLeofa
3Old Englishlēoflief, dear
4West Germanic*leub
5Proto-Germanicleubazdear, beloved
6Proto-Indo-Europeanlewbʰ-to desire, covet, want; to admire, praise; to...
7Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European lēw-