archaeobotanical

Etymology tree
Ancient Greek ἄρχω (árkhō)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek ἀρχή (arkhḗ)
Proto-Indo-European *-yósder.
Ancient Greek -ιος (-ios)
Ancient Greek ᾰ̓ρχαῖος (ărkhaîos)der.
English archaeo-
English botany
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ic
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
Middle English -ical
English -ical
English botanical
English archaeobotanical
From archaeo- + botanical.