Etymology

• Cognate with ‘rise’?
• PIE *H3er-s ‘rise, protrude’?
• Old Norse Risar ‘mountain giants’
• Old Norse Bergrisar ‘mountain giants’
• Old Icelandic risi, risar ’giant, giants’; risa-barn ‘giant-child’; risa-folk ‘giant-folk’; risa-kyn’giant-kind’;  risa-ligr ‘giant-like, gigantic’; risa-voxtr ‘giant’s size’ (Zoega)
• Archaic Swedish rese ‘giant’
• Modern Icelandic risi
• Danish rise
• Old High German risi, riso
• German riese ‘giant’
• German surnames: Riess, Reiss, Rees
• Dutch reus ‘giant’
• See Lotte Motz 1987
• Old English hris ‘the top of a tree, ride wood’
• Sanskrit rishi?
• Rissen Scar (Westmoreland)?

*dheu

• ‘to flow, to run’
• ‘to die, to faint, to vanish’
• to shine brightly
• ‘to blow, to dissipate, to flt about like dust’

Cognates

• dizzy

*gheu #

• ‘to pour, to pour a libation’
• ‘to die, to disappear, to get away’

Cognates

• gut [Modern English < Old English guttas 'intestines' < Proto-Germanic *gut- < Proto-Indo-European zero-grade form *ghud]

gheuh

• giddy

Cognates:

• *mai ‘to cut’ [Proto-Indo-European] 
• *a-mait-jon ‘biter’ [Proto-Germanic]
• amete (Middle Low German] #
• amete [Middle Dutch]
• aemete [Old English] #
• aemette [Old English] #
• amete ’ant’ [Middle English]
• amte ‘ant’ [Middle English]
• ante ‘ant’ [Middle English]
• emmet ‘ant’ [Cornwall English]
• emmut ‘ant’ [Berkshire English]
• ant ‘ant’ [Modern English]

Similar Forms:

• semut [Bahasa Indonesian]