ootheca

See also: oötheca

English

Etymology tree

Proto-Indo-European *h₂ew-der.?

Proto-Indo-European *h₂éwis

Proto-Indo-European *h₂ōwyóm

Proto-Hellenic *ōyyón

Ancient Greek ᾠόν (ōión)

Ancient Greek ᾠο- (ōio-)bor.

English oo-

English theca

English ootheca

From oo- (“egg-”) + theca (“sheath”).

ootheca (plural oothecae)

An egg case of any of the orthopteroid insects (such as cockroaches and mantids).
- 1994, Daniel Evan Weiss, The Roaches Have No King, →ISBN, page 4:
  Since the founding of the colony it had been a tradition to unload oothecae – egg sacs – in the cabinets so the younglings would be near the principal food stocks.
(botany) The theca or sporangium of ferns.

egg case of orthopteroid insects