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Definition 2024

(idiomatic) to be courageous; to regain one's courage
Take heart, help will arrive shortly and everything will be fine.
- 2011 November 12, “International friendly: England 1-0 Spain”, in BBC Sport:
  England will not be catapulted among the favourites for Euro 2012 as a result of this win, but no victory against Spain is earned easily and it is right they take great heart from their efforts as they now prepare to play Sweden at Wembley on Tuesday.

to be courageous

French: bon courage (fr)
Greek: αναθαρρώ (el) ‎(anatharró), παίρνω κουράγιο ‎(paírno kourágio)
Icelandic: herða sig upp, herða upp hugann, safna kjarki, öðlast kjark, taka í sig kjark, hleypa í sig kjarki, hleypa í sig hörku, (take heart to do something) manna sig upp í að gera eitthvað, taka á öllu sínu, mjálma í sig móðinn, setja í sig móð, brynja sig þolinmæði