(Greek: within, inside, into, in, on, inner)

(Greek: above, over, on, upon; besides; in addition to; toward; among)

(Latin: in, into, within, inside, on, toward [il-, ir-, im-], in, into, etc.: involve, incur, invade; also, used intensively, as in the words inflame and inflammable, or without perceptible force.)

(Greek: fern [from pter[on], "feather, wing"])