photoholic

The story

1. Proto-Indo-European*bʰeh₂-
2. Proto-Indo-European*bʰéh₂os
3. Proto-Hellenic*pʰáwos
4. Ancient Greekφᾰ́ος (phắos)
5. Ancient Greekφῶς (phôs)
6. Ancient Greekφωτο- (phōto-)
7. Englishphoto-
8. Proto-Indo-European*gerbʰ-
9. Proto-Hellenic*grə́pʰō
10. Ancient Greekγράφω (gráphō)
11. Englishphotographclip.
12. Englishphoto
13. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
14. Aramaicכוחלא (kuḥlā)
15. Arabicكُحْل (kuḥl)
16. Andalusian Arabicكُحُول (kuḥūl)
17. Medieval Latinalcoho
18. Middle Englishalcofol
19. Englishalcohol
20. Englishalcoholic
21. English todayphotoholic

From photo + -holic.