Where does “Präpositionaladverb” come from?

Präpositionaladverb (German) comes from German präpositional, from German Präposition, from Latin praepositiō, from Latin praepōnō, from Latin prae-, from Proto-Italic prai-, from Proto-Indo-European preh₂-, from Proto-Indo-European per- — passed , crossed.

Ancestry of “Präpositionaladverb”, step by step

Präpositionaladverb traces back through two separate lines of ancestry.

via German präpositional

StepLanguageWordMeaning
1Germanpräpositionalprepositional
2GermanPräpositionadposition, preposition; preposition
3Latinpraepositiōpreference
4Latinpraepōnōto place or set over as chief, commander, or superintendent; to place at the head of or entrust with the charge or command of; to appoint or depute as
5Latinprae-before; in front; in charge
6Proto-Italicprai-pre-, before
7Proto-Indo-Europeanpreh₂-before, in front
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed

via German Adverb

StepLanguageWordMeaning
1GermanAdverbadverb
2Latinadverbiumadverb
3Latinad-to; usually prefixed to verbs, in which cases it...
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European preh₂- →
Präpositionaladverb — Etymology, Origin & Word History | Etymology Explorer