that is to say

English

Etymology

Calque of French c'est-à-dire.

Adverb

that is to say (not comparable)

1. (conjunctive) In other words. Used to introduce a clarification, simplification, or explanation

   Synonyms: that is, i.e.; see also Thesaurus:in other words

   Hyponyms: namely, to wit

   One of the best things about works of music is that they are repeatable, that is to say that one can listen to the same work over and over without becoming tired of it.

   • 1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC:

     Mrs. Severe's house, The Hollies, was the first in the road, as the road was generally regarded—that is to say, from the direction of the station.

Translations

in other words — see also that is,‎ in other words

• Polish: mianowicie (pl), czyli (pl), to znaczy (pl), to jest (pl)
• Spanish: es decir (es)