realtime

The story

1. Proto-Indo-European*(H)reh₁-
2. Proto-Indo-European*(H)reh₁ís
3. Proto-Italic*reis
4. Classical Latinrēs
5. Proto-Indo-European*h₂el-
6. Proto-Indo-European*h₂élisder.?
7. Late Latinreālis
8. Old Frenchree
9. Middle Englishreal
10. Englishreal
11. Proto-Indo-European*deh₂-
12. Proto-Indo-European*deh₂y-
13. Proto-Indo-European*dih₂-mon-
14. Proto-Germanic*tīmô
15. Proto-West Germanic*tīmō
16. Old Englishtīma
17. Middle Englishtyme
18. Englishtime
19. English todayrealtime

From real + time.