Etymograph

English

Secchi disk

Secchi disk comes from Italian Secchi.

  1. Italianc. 1300–presentSecchi
  2. EnglishtodaySecchi disk

attested reconstructed ? uncertain or disputed

Lineage

  1. Italianc. 1300–presentSecchi
  2. EnglishtodaySecchi disk

A compound of Secchi + disk

Italian Secchi

English Secchi

Ancient Greek δικεῖν ‘to cast’

Ancient Greek δίσκος ‘a circular plate suited for hurling’

English disk

Every English word from Italian Secchi

Today it means

noun A circular disk used to measure water transparency (and thus turbidity).

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

Etymograph / Italian Secchi / Secchi disk

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