I'm a little confused by this word from Harrius Potter. I know it means made of straw. it is the -iciōs (presumably -icius in nom m s) I can't seem to find a reference to this suffix. I am aware of -icus is -icius just an alternative form?
vespere illius diei, Dudley habitum novissimum familiae in
sessorio ostendit, discipuli scholae Smeltings vestes caudatas
colore purpureo gerebant, bracas solutas transatlantici generis
luteo colore, petasos planos et stramenticios nomine lintrarios