Proto-Indo-European
Yes, in German you can substantivate adjectives easily into nouns, also the present participle! Also with the gerund form of verbs!
But a note to your text, "mögen" is also present irregular, "möge" is the subjunctive 1 first person singular of "mögen", so you need an additional phrase like "Er sagt, dass ich den großen möge" or you say the present indicative first person singular "mag".
The word "mögen" is a modal verb, other modal verbs in German are:
In German there are determinative compoundings (a way to make new words in German) with a genitive, but when making new words in German, the genitive is optional.
Essen ("meal”) + -s ("'s") (optional, but good) + Tisch ("table") = Essenstisch (provisional)
Meaningly: the meal's table.
Here is a Lycian font, but you have to register to download it, anyways the download is free. But the Lycian font is also in the unicode, so we can use it.
So I suppose to try to display the Lycian terms in Template:termx, cuz I don't have to register there because I already can display it.