Where does “legaktívabb” come from?

legaktívabb (Hungarian) comes from Hungarian aktívabb, from Hungarian aktív, from German Aktiv, from French actif, from Old French actif, from Latin āctīvus, from Ancient Greek ἐνεργητικός, from Ancient Greek ἐνεργέω — Creates collective nouns, which refer to groups...

Ancestry of “legaktívabb”, step by step

Step	Language	Word	Meaning
1	Hungarian	aktívabb	comparative degree of aktív
2	Hungarian	aktív	active
3	German	Aktiv	active voice; active verb
4	French	actif	active; asset; top
5	Old French	actif	active
6	Latin	āctīvus	active
7	Ancient Greek	ἐνεργητικός	Able to act on; acting on; Active; In the active...
8	Ancient Greek	ἐνεργέω	to be in action or activity, to operate; to...
9	Ancient Greek	ἐνεργός	at work, active
10	Ancient Greek	ἐν-	in, within; on
11	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
12	Ancient Greek	δέρμα	skin, hide
13	Ancient Greek	γλυφή	carving, carved work; hole cut
14	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
15	Proto-Indo-European	-íh₂	—
16	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Every word from Proto-Indo-European -h₂ →