Etymograph

English

sensor

Sensor comes from Latin sentiō ‘to feel’, and goes back to Proto-Indo-European *sent-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sent-‘to feel’reconstructed
  2. Proto-Italicc. 1500–700 BCE*sentiō‘to feel, to sense, to perceive’reconstructed
  3. Latinc. 75 BCE–200 CEsentiō‘to feel’
  4. Englishtodaysensor

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sent-‘to feel’reconstructed
  2. Proto-Italicc. 1500–700 BCE*sentiō‘to feel, to sense, to perceive’reconstructed
  3. Latinc. 75 BCE–200 CEsentiō‘to feel’
  4. Englishtodaysensor

Equivalent to sense + -or

Proto-Indo-European *sent- ‘to feel’

…

Latin sentiō ‘feel, perceive’

Latin sēnsus ‘sensation, feeling, meaning’

Old French sens ‘sense, perception, direction’

Middle English sense ‘meaning’

English sense

The story

Originated 1925–30, formed as a Latin loanword from sentiō (‘to feel’) + -tor (‘-er’).

Linked words

through Proto-Indo-European *sent- ‘to feel’

send, sith, 31 more

through Proto-Italic *sentiō ‘to feel, to sense, to perceive’

senseless, antisense, insensible, 26 more

through Latin sentiō ‘to feel’

sense, sentence, sensitive, consent, sentiment, scent, consensus, sensible, sensation, resent, sensibility, sensual, sentient, assent, sensuous, sentience, sensu, 32 more

Today it means

noun A device or organ that detects certain external stimuli and responds in a distinctive manner.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *sent- / sensor