Where does “sensorless” come from?

sensorless (English) comes from English sensor, from Latin sentiō, from Latin -torium, from Latin -tōrius, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

sensorless (English): Without the use of sensors

Definitions

  1. Without the use of sensors

Ancestry of “sensorless”, step by step

sensorless traces back through two separate lines of ancestry.

via English sensor

StepLanguageWordMeaning
1EnglishsensorA device or organ that detects certain external...
2Latinsentiōto feel, to sense, to perceive (with the senses)
3Latin-toriumnominative neuter singular of -tōrius; accusative...
4Latin-tōriusory
5Latin-tor-er
6Proto-Italic-tōrForms agent nouns to verb stems
7Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
8Proto-Indo-European-tor-s

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 -tor-s
sensorless — Etymology, Origin & Word History | Etymology Explorer