Comparative linguistics; Komparatistik; Indogermanistik; Indoeuropäische Sprachwissenschaft; Indoeuropean linguistics; Proto-Indo-European; Historical comparative linguistics ; Ableitung (morph.) ; Substantivierung; Nominalization ; Desinence (morph.) ; Suffixoid ; Substantivkompositum; Compound noun; Nominal compound ; Albanian ; Griechisch; Mykenisch; Mycenaean; Ancient Greek ; Armenian ; Old High German ; Anglo-Saxon; Old English ; Old Frisian ; Altdänisch; Altschwedisch; Gammelnorsk; Common Scandinavian; Old Danish; Old Swedish; Old Norse ; Lateinisch; Latin ; Celtic languages ; Hittite ; Old Iranian