Where does “yldra” come from?

yldra (Old English) comes from Proto-Germanic alþizô, from Proto-Germanic aldaz, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “yldra”, step by step

StepLanguageWordMeaning
1Proto-Germanicalþizôcomparative degree of *aldaz
2Proto-Germanicaldazold, grown up
3Proto-Indo-Europeanh₂eltós—
4Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European h₂él- →Every word from Proto-Indo-European h₂eltós →Every word from Proto-Germanic aldaz →