Where does “amfibolitowy” come from?

amfibolitowy (Polish) comes from Polish amfibolit, from Ancient Greek ἀμφίβολος, from Ancient Greek ἀμφί, from Ancient Greek ὀξύς, from Proto-Indo-European h₂eḱ- — sharp.

amfibolitowy (Polish): amphibolite; amphibolitic

Definitions

amphibolite; amphibolitic

Ancestry of “amfibolitowy”, step by step

Step	Language	Word	Meaning
1	Polish	amfibolit	amphibolite
2	Ancient Greek	ἀμφίβολος	dubious, doubtful; wavering, hesitant, uncertain
3	Ancient Greek	ἀμφί
4	Ancient Greek	ὀξύς	sharp, pointed; sharp, keen; quick, hasty, swift
5	Proto-Indo-European	h₂eḱ-	sharp

Every word from Proto-Indo-European h₂eḱ- →Every word from Ancient Greek ὀξύς →Every word from Ancient Greek ἀμφί →