Where does “introductionless” come from?

introductionless (English) comes from English introduction, from Middle English introduccioun, from Old French introduction, from Latin introductionem, from Latin intrōductiō, from Latin intrōdūcō, from Latin intrō, from Latin intra — Contrastive or oppositional adjectival suffix.

introductionless (English): Without introduction

Definitions

  1. Without introduction

Ancestry of “introductionless”, step by step

introductionless traces back through two separate lines of ancestry.

via English introduction

StepLanguageWordMeaning
1EnglishintroductionThe act or process of introducing; A means, such...
2Middle Englishintroduccioun
3Old Frenchintroduction
4Latinintroductionemaccusative singular of intrōductiō
5Latinintrōductiōinnovation
6Latinintrōdūcōto lead in: to conduct into
7Latinintrōto enter, go into, come in, get in, penetrate
8Latinintrawithin; inside; during; less than
9Latininterus
10Proto-Indo-Europeanh₁énterosinside, within
11Proto-Indo-European-terosContrastive or oppositional adjectival suffix

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European -teros