Where does “semitubular” come from?

semitubular (English) comes from English tubular, from Latin tubulus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

semitubular (English): Shaped like half of a tube divided longitudinally

Definitions

  1. Shaped like half of a tube divided longitudinally

Ancestry of “semitubular”, step by step

semitubular traces back through two separate lines of ancestry.

via English tubular

StepLanguageWordMeaning
1EnglishtubularShaped like a tube; Relating to, or composed of...
2Latintubulussmall pipe or tube
3Latin-ulusUsed to form a diminutive of a noun, indicating...
4Proto-Italic-olos
5Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
6Proto-Indo-European-e-lós
7Proto-Indo-European-lósForms agent nouns from verbal roots

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially
Every word from Proto-Indo-European -lós