gerontological

Where it comes from

Etymology tree

Proto-Indo-European *ǵerh₂-

Proto-Indo-European *-onts

Proto-Indo-European *ǵérh₂onts

Proto-Hellenic *géronts

Ancient Greek γέροντος (gérontos)der.

English geronto-

Proto-Indo-European *leǵ-

Proto-Indo-European *-os

Proto-Indo-European *lóǵos

Proto-Hellenic *lógos

Ancient Greek λόγος (lógos)

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-i-eh₂

Proto-Hellenic *-íā

Ancient Greek -ῐ́ᾱ (-ĭ́ā)

Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor.

Latin -logialbor.

French -logiebor.

English -logy

English gerontology

Proto-Indo-European *-ikos

Proto-Italic *-ikos

Latin -icuslbor.

Old French -iquebor.

Middle English -ic

Proto-Indo-European *h₂el-

Proto-Indo-European *-is

Proto-Indo-European *h₂élisder.?

Proto-Italic *-ālis

Latin -ālisbor.

Old French -albor.

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Latin -ālis

Old French -elbor.

▲

Latin -ālisbor.

Middle English -al

Middle English -ical

English -ical

English gerontological

From gerontology + -ical.