Where does “adheren” come from?

adheren (Middle English) comes from Medieval Latin adhaereo, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “adheren”, step by step

adheren traces back through two separate lines of ancestry.

via Medieval Latin adhaereo

StepLanguageWordMeaning
1Medieval Latinadhaereoadhere; I cleave or stick to; I cling to, adhere...
2Latinad-to; usually prefixed to verbs, in which cases it...
3Latinīn-un-, non-, not
4Latinînin, at, on, upon, from (space)
5Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
6Proto-Italicenin
7Proto-Indo-Europeanh₁énin

via Old French adherer

StepLanguageWordMeaning
1Old Frenchadherer

Words derived from “adheren

Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-