Where does “yonkoryon” come from?

yonkoryon (Cornish) comes from Cornish yonker, from Cornish er, from Middle Cornish er, from Middle English eir, from Anglo-Norman heir, from Latin hērēs, from Proto-Indo-European ǵʰeh₁ro-, from Proto-Indo-European ǵʰeh₁- — to go, to walk.

Ancestry of “yonkoryon”, step by step

StepLanguageWordMeaning
1Cornishyonker(male) youth, youngster
2Cornishereagle; heir; Soft mutation of ger
3Middle Cornisher—
4Middle Englisheir—
5Anglo-Normanheir—
6Latinhērēsheir, heiress
7Proto-Indo-Europeanǵʰeh₁ro-derelict; an abandoned or forsaken person
8Proto-Indo-Europeanǵʰeh₁-to go, to walk
Every word from Proto-Indo-European ǵʰeh₁- →Every word from Proto-Indo-European ǵʰeh₁ro- →Every word from Latin hērēs →