Ancient Greek lemma · Strong’s G4115

πλατύνω

platuno · /plat-oo'-no/ — “widen”

widen; out; widen one's; grow broad, widen out; to be dilated; is opened, relieved from care; was opened wide; be puffed up; talk big of oneself; pronounce broadly; amplify; use amplification

Derivation: from πλατύς (broad)