agnosticize

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Hellenic *ə-
Ancient Greek ᾰ̓- (ă-)
Proto-Indo-European *ǵneh₃-
Proto-Indo-European *-sḱéti
Proto-Indo-European *ǵn̥h₃sḱétider.
Proto-Hellenic *gignṓskō
Ancient Greek γῐγνώσκω (gĭgnṓskō)
Proto-Indo-European *-tós
Proto-Hellenic *-tós
Ancient Greek -τος (-tos)
Ancient Greek ἄγνωστος (ágnōstos)der.
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Ancient Greek ἀ- (a-)der.
English a-
Proto-Indo-European *ǵneh₃-
Proto-Indo-European *-tis
Proto-Indo-European *ǵneh₃tisder.
Ancient Greek γνῶσις (gnôsis)
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Ancient Greek -σῐς (-sĭs)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
?
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Ancient Greek -τος (-tos)
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Ancient Greek -κός (-kós)
?
Ancient Greek -τῐκός (-tĭkós)
Ancient Greek γνωστῐκός (gnōstĭkós)
English Gnostic
English agnostic
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)bor.
Late Latin -izōder.
Middle French -iserbor.
Middle English -isen
English -ize
English agnosticize
From agnostic + -ize.