having or showing control of one's feelings, behavior, etc.; composed; poised.
The adjective self-possessed, which entered English in the mid-18th century, is a derivative of the earlier noun self-possession, which appeared a hundred years earlier.
There was an occasional copied page of her diary in which she appeared contented, and self-possessed: autonomous in a way I could not imagine for myself.
Unburdening himself his coat, he was not self-possessed enough to find in his pocket the scroll of resolutions which every one saw protruding from it …
like the form of a conventionalized figure of a star; star-shaped.
Stellate comes straight from the Latin adjective stellātus, formed from the noun stella “star” and –ātus, a suffix that forms adjectives from nouns. The noun stella comes from an unrecorded stēr–lā or stēr–o–lā. Stēr– comes from a very widespread Proto-Indo-European root ster-, stēr– “star,” appearing in Sanskrit star-, Germanic (English) star. Greek preserves the most ancient form, astḗr, the a– being the remainder of a Proto-Indo-European laryngeal consonant. Stellate entered English at the end of the 15th century.
The cut edges of the glasses were projecting stellate tessellations across the mahogany.
In their experiments, the researchers placed the amoeba in the center of a stellate chip, which is a round plate with 64 narrow channels projecting outwards, and then placed the chip on top of an agar plate.
Scaturient is a very rare adjective meaning “bubbling up, gushing forth.” It comes from Latin scaturrient-, scāturient-, the participle stem of scaturriēns, scāturiēns, from the verb scaturrīre, scatūrīre. The Latin verbs are derivatives of scatēre, scatere “to gush violently”; the suffix –urīre is of obscure origin and usually forms desiderative verbs (verbs that express the desire to perform the action denoted by the underlying verb). The Latin root scat– is a derivative of the Proto-Indo-European root skēt– “to jump, spring, hop,” source of Old Lithuanian skasti “to jump, spring,” and perhaps of English shad (the fish), from Old English sceadd. Scaturient entered English in the latter half of the 17th century.
The trees, and the flowers, and the butterflies, the green and fragrant earth, all teeming and scaturient with new species.
… we well remember on one fine summer holyday … sallying forth at rise of sun … to trace the current of the New River—Middletonian stream!—to its scaturient source ….