English
modulus
Modulus comes from Latin modulus ‘a small measure or interval’, and goes back to Proto-Indo-European *med-.
- Proto-Indo-Europeanc. 4500–2500 BCE*med-‘to measure’reconstructed
- Proto-Italicc. 1500–700 BCE*medos‘measure’reconstructed
- Latinc. 75 BCE–200 CEmodus‘measure’
- Latin, derivedc. 75 BCE–200 CEmodulus‘a small measure or interval’
- Frenchc. 1600–presentmodule
- Englishtodaymodulus
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*med-‘to measure’reconstructed
- Proto-Italicc. 1500–700 BCE*medos‘measure’reconstructed
- Latinc. 75 BCE–200 CEmodus‘measure’
- Latin, derivedc. 75 BCE–200 CEmodulus‘a small measure or interval’
- Frenchc. 1600–presentmodule
- Englishtodaymodulus
Linked words
through Proto-Indo-European *med- ‘to measure’
must, meditation, moderate, modest, blackmail, moderator, modernize, medicate, modality, mete, mote, commode, 26 more
through Proto-Italic *medos ‘measure’
medical, medicine, medication, med, remedy, medicinal, medic, meditate, 12 more
through Latin modus ‘measure’
modern, mud, mode, mood, commodity, modification, molding, modal, modicum, modus, modifiable, moulder, 19 more
through Latin modulus ‘a small measure or interval’
Today it means
noun The base with respect to which a congruence is computed.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *med- / modulus