Where does “lithiases” come from?

lithiases (English) comes from English lith, from Middle English liþ, from Old English liþ, from Proto-West Germanic liþu, from Proto-Germanic liþuz, from Proto-Indo-European h₂el- — to grow, nourish; beyond, other; to wander, roam.

Ancestry of “lithiases”, step by step

lithiases traces back through two separate lines of ancestry.

via English lith

StepLanguageWordMeaning
1EnglishlithA limb; any member of the body; A joint; a...
2Middle EnglishliþAlternative form of lyth
3Old Englishliþlimb, member
4Proto-West Germanicliþubend, joint; limb
5Proto-Germanicliþuza bend, joint; a body part, limb, member
6Proto-Indo-Europeanh₂el-to grow, nourish; beyond, other; to wander, roam

via English iases

StepLanguageWordMeaning
1Englishiases
Every word from Proto-Indo-European h₂el-Every word from Proto-Germanic liþuzEvery word from Proto-West Germanic liþu
lithiases — Etymology, Origin & Word History | Etymology Explorer