Slices of PIE

κόσμος • (kósmos) m (genitive κόσμου); second declension (Epic, Attic, Ionic, Doric, Koine)

From earlier *ḱónsmos, from Proto-Indo-European *ḱens- or *ḱems- (“to put in order”). Related to Latin cēnseō (“to estimate”)

order; lawful order, government; mode, fashion; ornament, decoration; honour, credit
ruler; world, universe, the earth; mankind

mundus (feminine munda, neuter mundum, comparative mundior, superlative mundissimus, adverb munditer); first/second-declension adjective

From: 2 possibilities include:
From Etruscan 𐌌𐌖𐌈 (muθ, “pit, mundus”).
From Proto-Indo-European *mh₂nd- (“to adorn”) and cognate with Old High German mandag (“joyful, happy, dashing”); it's attested also an etruscan form 𐌈𐌍𐌖𐌌 (munθ) "order, kit, ornament". Possibly also conflated in the sense of "clean, neat" with Proto-Indo-European *muh₂-, *mewh₂- (“to wash, wet”).

clean, pure; neat; nice, fine, elegant, sophisticated; decorated, adorned

World

From Middle English world, weoreld, from Old English weorold (“world”), from Proto-Germanic *weraldiz (“lifetime, human existence, world”, literally “age/era of man”), equivalent to wer (“man”) +‎ eld (“age”). Cognate with Scots warld (“world”), Saterland Frisian Waareld (“world”), West Frisian wrâld (“world”), Dutch wereld (“world”), Low German Werld (“world”), German Welt (“world”), Norwegian Bokmål verden (“world”), Norwegian Nynorsk verd (“world”), Swedish värld (“world”), Icelandic veröld (“the world”).

2020-06-30