Where does “elme” come from?

elme (Middle English) comes from Old English elm, from Proto-West Germanic *elm, from Proto-Germanic elmaz, from Persian الماس, from Ancient Greek ἀδάμας, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥- — together, one.

Ancestry of “elme”, step by step

StepLanguageWordMeaning
1Old Englishelmelm tree
2Proto-West Germanic*elmelm tree
3Proto-Germanicelmazelm tree; wood from an elm tree
4Persianالماسdiamond
5Ancient Greekἀδάμαςadamant, the hardest metal; a hard metal...
6Ancient Greekἀ-The alpha privativum, used to make words that...
7Proto-Hellenichə-same; together
8Proto-Indo-Europeansm̥-one; with, together
9Proto-Indo-Europeansem-together, one

Words derived from “elme

Every word from Proto-Indo-European sem-Every word from Ancient Greek ἀ-Every word from Ancient Greek ἀδάμας