astrobiological

Etymology tree
Proto-Indo-European *h₂eHs-
Proto-Indo-European *-tḗr
Proto-Indo-European *h₂stḗr
Proto-Hellenic *astḗr
Ancient Greek ἀστήρ (astḗr)
Ancient Greek ᾰ̓́στρον (ắstron)der.
English astro-
Proto-Indo-European *gʷeyh₃-der.
Ancient Greek βίος (bíos)
Proto-Indo-European *leǵ-
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.
New Latin -logia
New Latin biologialbor.
English biology
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 biological
English astrobiological
From astro- + biological.