Complex sentence: While at university, Zamenhof began using the Russian name "Lyudovik" (also transcribed "Ludovic" or translated as "Ludwig") in place of "Lazar", possibly in honor of Francis Lodwick, who in 1652 had published an early conlang proposal.
Split into simpler sentences: While at university, Zamenhof began using the Russian name Lyudovik (often transcribed Ludovic; in English the form Ludwig is also used) in place of Lazar. Zamenhof may have chosen the name Ludwik in honor of Francis Lodwick (or Lodowyck), who in 1652 had published an early conlang proposal.