From pick + out.

pick out (third-person singular simple present picks out, present participle picking out, simple past and past participle picked out)

1. (transitive) To remove by picking.
   • c. 1515–1516, published 1568, John Skelton, Againſt venemous tongues enpoyſoned with ſclaunder and falſe detractions &c.:

     But lering and lurking here and there like ſpies,
     The devil tere their tunges and pike out their ies!

2. (transitive) To select.
3. (transitive, idiomatic) To distinguish; discern.
4. (transitive) To ornament or relieve with lines etc. of a different, usually lighter, colour.

   a dark green carriage body picked out with red

5. (transitive, idiomatic) To detect using one's senses (sight, smell, hearing, touch, taste).
   • 1925, F[rancis] Scott Fitzgerald, The Great Gatsby, New York, N.Y.: Charles Scribner's Sons, published 1953, →ISBN, →OCLC ↗:

     And as I sat there brooding on the old, unknown world, I thought of Gatsby's wonder when he first picked out the green light at the end of Daisy's dock.

6. (transitive, idiomatic, soccer) To send a long pass or cross to.
7. (transitive) To play music slowly, such as when practicing.

• handpick out
• pick off

• Russian: выковы́ривать

• German: auswählen, heraussuchen

• French: distinguer, faire la distinction, faire la différence
• German: erkennen, unterscheiden